| abiotrophy | (noun) a loss of vitality and a degeneration of cells and tissues not due to any apparent injury | - |
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| adenohypophysis | (noun) the anterior lobe of the pituitary body; primarily glandular in nature | Synonyms: anterior pituitary, anterior pituitary gland |
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| adoxography | (noun) fine writing in praise of trivial or base subjects | - |
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| aerophyte | (noun) plant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it | Synonyms: air plant, epiphyte, epiphytic plant |
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| aminophylline | (noun) a theophylline derivative that is used as a bronchodilator in the treatment of bronchial asthma, emphysema, and bronchitis | - |
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| amyotrophy | (noun) progressive wasting of muscle tissues | Synonyms: amyotrophia |
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| anaglyphy | (noun) the process of producing pictures in contrasting colors that appear three-dimensional when superimposed and viewed through spectacles with one red and one green lens | - |
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| anaphylaxis | (noun) hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance | - |
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| anemography | (noun) recording anemometrical measurements | - |
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| angiography | (noun) roentgenographic examination of blood vessels after injection of a radiopaque contrast medium; produces an angiogram | - |
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| anorthography | (noun) a loss of the ability to write or to express thoughts in writing because of a brain lesion | Synonyms: agraphia, logagraphia |
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| anthophyllite | (noun) a dark brown mineral of the amphibole group; magnesium iron silicate | - |
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| anthroposophy | (noun) a system of beliefs and practices based on the philosophy of Rudolf Steiner; it claims to integrate the practical and psychological in child-centered education | - |
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| apophysis | (noun) (anatomy) a natural outgrowth or projection on an organ or body part such as the process of a vertebra | - |
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| (noun) (botany) a natural swelling or enlargement: at the base of the stalk or seta in certain mosses or on the cone scale of certain conifers | - |
| arteriography | (noun) roentgenographic examination of arteries | - |
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| arthrography | (noun) roentgenographic examination of a joint after injection of radiopaque contrast medium; produces an arthrogram | - |
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| asphyxia | (noun) a condition in which insufficient or no oxygen and carbon dioxide are exchanged on a ventilatory basis; caused by choking or drowning or electric shock or poison gas | - |
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| asphyxiation | (noun) killing by depriving of oxygen | Synonyms: suffocation |
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| (noun) the condition of being deprived of oxygen (as by having breathing stopped) | Synonyms: suffocation |
| asphyxiator | (noun) a manually operated device for extinguishing small fires | Synonyms: extinguisher, fire extinguisher |
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| astrophysicist | (noun) an astronomer who studies the physical properties of celestial bodies | - |
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| astrophysics | (noun) the branch of astronomy concerned with the physical and chemical properties of celestial bodies | - |
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| atrophy | (noun) any weakening or degeneration (especially through lack of use) | Synonyms: withering |
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| (noun) a decrease in size of an organ caused by disease or disuse | Synonyms: wasting, wasting away |
| autobiography | (noun) a biography of yourself | - |
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| autophyte | (noun) plant capable of synthesizing its own food from simple organic substances | Synonyms: autophytic plant, autotroph, autotrophic organism |
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| autoradiography | (noun) producing a radiograph by means of the radiation emitted from the specimen being photographed | - |
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| bacteriochlorophyll | (noun) a substance in photosensitive bacteria that is related to but different from chlorophyll of higher plants | - |
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| bibliography | (noun) a list of writings with time and place of publication (such as the writings of a single author or the works referred to in preparing a document etc.) | - |
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| biogeography | (noun) dealing with the geographical distribution of animals and plants | - |
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| biography | (noun) an account of the series of events making up a person's life | Synonyms: life, life history, life story |
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| biophysicist | (noun) a physicist who applies the methods of physics to biology | - |
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| biophysics | (noun) physics as applied to biological problems | - |
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| bryophyte | (noun) any of numerous plants of the division Bryophyta | Synonyms: nonvascular plant |
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| cacography | (noun) poor handwriting | Synonyms: scratch, scrawl, scribble |
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| calligraphy | (noun) beautiful handwriting | Synonyms: chirography, penmanship |
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| cardiography | (noun) diagnostic procedure consisting of recording the activity of the heart electronically with a cardiograph (and producing a cardiogram) | Synonyms: electrocardiography |
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| cartography | (noun) the making of maps and charts | Synonyms: mapmaking |
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| cataphyll | (noun) a reduced or scarcely developed leaf at the start of a plant's life (i.e., cotyledons) or in the early stages of leaf development | - |
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| cerography | (noun) the art of engraving on a waxed plate on which a printing surface is created by electrotyping. | - |
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| chirography | (noun) beautiful handwriting | Synonyms: calligraphy, penmanship |
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| chlorophyl | (noun) any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms | Synonyms: chlorophyll |
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| chlorophyll | (noun) any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms | Synonyms: chlorophyl |
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| chlorophyte | (noun) algae that are clear green in color; often growing on wet ricks or damp wood or the surface of stagnant water | Synonyms: green algae |
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| cholangiography | (noun) roentgenographic examination of the bile ducts after a contrast medium has been injected | - |
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| chondrodystrophy | (noun) an inherited skeletal disorder beginning before birth; cartilage is converted to bone resulting in dwarfism | Synonyms: achondroplasia, achondroplasty, osteosclerosis congenita |
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| choreography | (noun) a show involving artistic dancing | Synonyms: stage dancing |
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| (noun) the representation of dancing by symbols as music is represented by notes | - |
| (noun) a notation used by choreographers | - |
| chromatography | (noun) a process used for separating mixtures by virtue of differences in absorbency | - |
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| chromolithography | (noun) single- or multi-color lithography | - |
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| cinematography | (noun) the act of making a film | Synonyms: filming, motion-picture photography |
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| cladophyll | (noun) a flattened stem resembling and functioning as a leaf | Synonyms: cladode, phylloclad, phylloclade |
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| coelophysis | (noun) one of the oldest known dinosaurs; late Triassic; cannibalistic | - |
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| cosmography | (noun) a representation of the earth or the heavens | - |
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| (noun) the science that maps the general features of the universe; describes both heaven and earth (but without encroaching on geography or astronomy) | - |
| cryptography | (noun) act of writing in code or cipher | Synonyms: coding, secret writing, steganography |
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| (noun) the science of analyzing and deciphering codes and ciphers and cryptograms | Synonyms: cryptanalysis, cryptanalytics, cryptology |
| cryptophyte | (noun) common in fresh and salt water appearing along the shore as algal blooms | Synonyms: cryptomonad |
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| crystallography | (noun) the branch of science that studies the formation and structure of crystals | - |
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| demography | (noun) the branch of sociology that studies the characteristics of human populations | Synonyms: human ecology |
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| dermatophytosis | (noun) fungal infection of the skin (especially of moist parts covered by clothing) | Synonyms: dermatomycosis |
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| diaphysis | (noun) the main (mid) section of a long bone | Synonyms: shaft |
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| discography | (noun) a descriptive catalog of musical recordings | - |
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| dystrophy | (noun) any degenerative disorder resulting from inadequate or faulty nutrition | - |
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| (noun) any of several hereditary diseases of the muscular system characterized by weakness and wasting of skeletal muscles | Synonyms: muscular dystrophy |
| echocardiography | (noun) a noninvasive diagnostic procedure that uses ultrasound to study to structure and motions of the heart | - |
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| echoencephalography | (noun) a noninvasive diagnostic procedure that uses ultrasound to study the anatomy of the brain | - |
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| echography | (noun) using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs | Synonyms: sonography, ultrasonography, ultrasound |
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| ectomorphy | (noun) slender, weak, and lightweight | Synonyms: asthenic type |
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| electrocardiography | (noun) diagnostic procedure consisting of recording the activity of the heart electronically with a cardiograph (and producing a cardiogram) | Synonyms: cardiography |
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| electromyography | (noun) diagnosis of neuromuscular disorders with the use of an electromyograph | - |
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| emphysema | (noun) an abnormal condition of the lungs marked by decreased respiratory function; associated with smoking or chronic bronchitis or old age | Synonyms: pulmonary emphysema |
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| encephalography | (noun) roentgenography of the brain after spinal fluid has been replaced by a gas (usually oxygen); produces an encephalogram | - |
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| endomorphy | (noun) round, fat, and heavy | Synonyms: pyknic type |
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| epigraphy | (noun) the study of ancient inscriptions | - |
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| epiphyllum | (noun) any cactus of the genus Epiphyllum having flattened jointed irregularly branching stems and showy tubular flowers | Synonyms: orchid cactus |
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| epiphysis | (noun) the end of a long bone; initially separated from the main bone by a layer of cartilage that eventually ossifies so the parts become fused | - |
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| (noun) a small endocrine gland in the brain; situated beneath the back part of the corpus callosum; secretes melatonin | Synonyms: epiphysis cerebri, pineal body, pineal gland |
| epiphyte | (noun) plant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it | Synonyms: aerophyte, air plant, epiphytic plant |
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| ethnography | (noun) the branch of anthropology that provides scientific description of individual human societies | Synonyms: descriptive anthropology |
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| euglenophyte | (noun) marine and freshwater green or colorless flagellate organism | Synonyms: euglenid, euglenoid |
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| gametophyte | (noun) the gamete-bearing individual or phase in the life cycle of a plant having alternation of generations | - |
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| geography | (noun) study of the earth's surface; includes people's responses to topography and climate and soil and vegetation | Synonyms: geographics |
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| geophysicist | (noun) a geologist who uses physical principles to study the properties of the earth | - |
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| geophysics | (noun) geology that uses physical principles to study properties of the earth | Synonyms: geophysical science |
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| geophyte | (noun) a perennial plant that propagates by underground bulbs or tubers or corms | - |
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| glyptography | (noun) carving or engraving (especially on stones) | - |
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| (noun) carvings or engravings (especially on precious stones) | Synonyms: glyptic art |
| gymnosophy | (noun) the doctrine of a sect of Hindu philosophers who practiced nudity and asceticism and meditation | - |
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| hagiography | (noun) a biography that idealizes or idolizes the person (especially a person who is a saint) | - |
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| halophyte | (noun) plant growing naturally in very salty soil | - |
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| hemiepiphyte | (noun) a plant that is an epiphyte for part of its life | Synonyms: semiepiphyte |
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| historiography | (noun) the writing of history | - |
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| (noun) a body of historical literature | - |
| holography | (noun) the branch of optics that deals with the use of coherent light from a laser in order to make a hologram that can then be used to create a three-dimensional image | - |
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| holophyte | (noun) an organism that produces its own food by photosynthesis | - |
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| homomorphy | (noun) similarity of form | Synonyms: homomorphism |
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| hydrography | (noun) the science of the measurement and description and mapping of the surface waters of the earth with special reference to navigation | - |
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| hydrophyte | (noun) a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth | Synonyms: aquatic plant, hydrophytic plant, water plant |
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| hygrophyte | (noun) a plant that grows in a moist habitat | - |
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| hymnography | (noun) (music) the craft of hymn composition. | - |
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| hypertrophy | (noun) abnormal enlargement of a body part or organ | - |
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| hypophysectomy | (noun) surgical removal of the pituitary gland | - |
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| hypophysis | (noun) the master gland of the endocrine system; located at the base of the brain | Synonyms: pituitary, pituitary body, pituitary gland |
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| hypsography | (noun) measurement of the elevation of land above sea level | Synonyms: hypsometry |
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| (noun) the scientific study of the earth's configuration above sea level (emphasizing the measurement of land altitudes relative to sea level) | - |
| iconography | (noun) the images and symbolic representations that are traditionally associated with a person or a subject | - |
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| ideography | (noun) the use of ideograms in writing | - |
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| isomorphy | (noun) (biology) similarity or identity of form or shape or structure | Synonyms: isomorphism |
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| lexicography | (noun) the act of writing dictionaries | - |
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