| alkaloid | (noun) natural bases containing nitrogen found in plants | - |
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| amphidiploid | (noun) (genetics) an organism or cell having a diploid set of chromosomes from each parent | - |
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| amygdaloid | (adjective) shaped like an almond | Synonyms: almond-shaped, amygdaliform, amygdaloidal |
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| (noun) volcanic rock in which rounded cavities formed by expanding gas have subsequently become filled with mineral deposits | - |
| amyloid | (adjective) resembling starch | Synonyms: amylaceous, amyloidal, farinaceous, starchlike |
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| (noun) (pathology) a waxy translucent complex protein resembling starch that results from degeneration of tissue | - |
| (noun) a non-nitrogenous food substance consisting chiefly of starch; any substance resembling starch | - |
| aneuploid | (adjective) having a chromosome number that is not an exact multiple of the haploid number | - |
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| bungaloid | (adjective) characterized by bungalows | - |
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| celluloid | (adjective) artificial as if portrayed in a film | Synonyms: synthetic |
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| (noun) a medium that disseminates moving pictures | Synonyms: cinema, film |
| (noun) highly flammable substance made from cellulose nitrate and camphor; used in e.g. motion-picture and X-ray film; its use has decreased with the development of nonflammable thermoplastics | - |
| cheloid | (noun) raised pinkish scar tissue at the site of an injury; results from excessive tissue repair | Synonyms: keloid |
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| colloid | (noun) a mixture with properties between those of a solution and fine suspension | - |
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| cotyloid | (adjective) of the cup-shaped socket that receives the head of the thigh bone | Synonyms: acetabular, cotyloidal |
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| cycloid | (adjective) resembling a circle | Synonyms: cycloidal |
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| (noun) a line generated by a point on a circle rolling along a straight line | - |
| diploid | (adjective) of a cell or organism having two sets of chromosomes or twice the haploid number | - |
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| (noun) (genetics) an organism or cell having the normal amount of DNA per cell; i.e., two sets of chromosomes or twice the haploid number | - |
| epicycloid | (noun) a line generated by a point on a circle rolling around another circle | - |
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| haploid | (adjective) of a cell or organism having a single set of chromosomes | Synonyms: haploidic, monoploid |
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| (noun) (genetics) an organism or cell having only one complete set of chromosomes | - |
| heteroploid | (noun) (genetics) an organism or cell having a chromosome number that is not an even multiple of the haploid chromosome number for that species | - |
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| hyaloid | (adjective) resembling glass in transparency or translucency | Synonyms: hyaline |
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| (noun) the transparent membrane enveloping the vitreous humor of the eye and separating it from the retina | Synonyms: hyaloid membrane |
| hydrocolloid | (noun) a substance that forms a gel with water | - |
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| hyperboloid | (noun) a quadric surface generated by rotating a hyperbola around its main axis | - |
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| hypocycloid | (noun) a line generated by a point on a circle that rolls around inside another circle | - |
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| keloid | (noun) raised pinkish scar tissue at the site of an injury; results from excessive tissue repair | Synonyms: cheloid |
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| meloid | (noun) beetle that produces a secretion that blisters the skin | Synonyms: blister beetle |
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| metalloid | (adjective) of or being a nonmetallic element that has some of the properties of metal | - |
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| mongoloid | (adjective) (offensive) of or relating to or suffering from Down syndrome | - |
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| (adjective) characteristic of or resembling a Mongol | - |
| (noun) a person suffering from Down syndrome (no longer used technically in this sense, now considered offensive) | - |
| monoploid | (adjective) of a cell or organism having a single set of chromosomes | Synonyms: haploid, haploidic |
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| myeloid | (adjective) of or relating to bone marrow | - |
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| (adjective) of or relating to bone marrow cells | Synonyms: myelic |
| (adjective) marrowlike | - |
| paraboloid | (noun) a surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis | - |
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| petaloid | (adjective) resembling a flower petal | - |
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| polyploid | (adjective) of a cell or organism having more than twice the haploid number of chromosomes | - |
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| (noun) (genetics) an organism or cell having more than twice the haploid number of chromosomes | - |
| sepaloid | (adjective) resembling or characteristic of a sepal | Synonyms: sepaline |
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| tabloid | (noun) newspaper with half-size pages | Synonyms: rag, sheet |
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| (noun) sensationalist journalism | Synonyms: tab, yellow journalism |
| thalloid | (adjective) of or relating to or resembling or consisting of a thallus | - |
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| triploid | (adjective) of a cell or organism having three complete sets of chromosomes | - |
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| tuberculoid | (adjective) resembling tuberculosis | - |
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