| irremediable | (adjective) impossible to remedy or correct or redress | - |
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| mediacy | (noun) the quality of being mediate | Synonyms: mediateness |
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| mediaeval | (adjective) relating to or belonging to the Middle Ages | Synonyms: medieval |
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| (adjective) as if belonging to the Middle Ages; old-fashioned and unenlightened | Synonyms: gothic, medieval |
| (adjective) characteristic of the time of chivalry and knighthood in the Middle Ages | Synonyms: chivalric, knightly, medieval |
| medial | (adjective) relating to or situated in or extending toward the middle | Synonyms: median |
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| (adjective) dividing an animal into right and left halves | Synonyms: median |
| medially | (adverb) in a medial position | - |
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| median | (adjective) relating to or situated in or extending toward the middle | Synonyms: medial |
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| (adjective) dividing an animal into right and left halves | Synonyms: medial |
| (adjective) relating to or constituting the middle value of an ordered set of values (or the average of the middle two in a set with an even number of values) | Synonyms: average |
| (noun) the number midway between the two middle numbers in a series containing an even or odd number of items | Synonyms: median value |
| mediant | (noun) (music) the third note of a diatonic scale; midway between the tonic and the dominant | - |
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| mediastinum | (noun) the part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus | - |
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| mediate | (adjective) acting through or dependent on an intervening agency | - |
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| (adjective) being neither at the beginning nor at the end in a series | Synonyms: in-between, middle |
| (verb) act between parties with a view to reconciling differences | Synonyms: arbitrate, intercede, intermediate, liaise |
| (verb) occupy an intermediate or middle position or form a connecting link or stage between two others | - |
| mediated | (adjective) acting or brought about through an intervening agency | - |
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| mediateness | (noun) the quality of being mediate | Synonyms: mediacy |
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| mediation | (noun) the act of intervening for the purpose of bringing about a settlement | Synonyms: intermediation |
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| (noun) a negotiation to resolve differences that is conducted by some impartial party | - |
| mediator | (noun) a negotiator who acts as a link between parties | Synonyms: go-between, intercessor, intermediary, intermediator |
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| mediatorial | (adjective) of or relating to a mediator or the duties of a mediator | - |
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| mediatory | (adjective) of or related to or directed toward mediation | - |
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| mediatrix | (noun) a woman who is a mediator | - |
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| megacardia | (noun) an abnormal enlargement of the heart | Synonyms: cardiomegaly, enlarged heart, megalocardia |
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| megalocardia | (noun) an abnormal enlargement of the heart | Synonyms: cardiomegaly, enlarged heart, megacardia |
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| meridian | (adjective) of or happening at noon | - |
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| (adjective) being at the best stage of development | Synonyms: prime |
| (noun) an imaginary great circle on the surface of the earth passing through the north and south poles at right angles to the equator | Synonyms: line of longitude |
| (noun) the highest level or degree attainable; the highest stage of development | Synonyms: acme, elevation, height, peak, pinnacle, summit, superlative, tiptop, top |
| microradian | (noun) a unit of angular distance equal to one thousandth of a milliradian | - |
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| microsporidian | (noun) parasite of arthropods and fishes that invade and destroy host cells | - |
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| milliradian | (noun) a unit of angular distance equal to one thousandth of a radian | - |
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| misopedia | (noun) hatred of children | - |
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| multimedia | (noun) transmission that combine media of communication (text and graphics and sound etc.) | Synonyms: multimedia system |
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| myocardial | (adjective) of or relating to the myocardium | - |
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| myxosporidian | (noun) mostly parasitic in fishes and including various serious pathogens | - |
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| obsidian | (noun) acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces | - |
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| ophidian | (noun) limbless scaly elongate reptile; some are venomous | Synonyms: serpent, snake |
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| paediatric | (adjective) of or relating to the medical care of children | Synonyms: pediatric |
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| paediatrician | (noun) a specialist in the care of babies | Synonyms: baby doctor, pediatrician, pediatrist |
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| paediatrics | (noun) the branch of medicine concerned with the treatment of infants and children | Synonyms: pediatric medicine, pediatrics, pedology |
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| pediatric | (adjective) of or relating to the medical care of children | Synonyms: paediatric |
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| pediatrician | (noun) a specialist in the care of babies | Synonyms: baby doctor, paediatrician, pediatrist |
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| pediatrics | (noun) the branch of medicine concerned with the treatment of infants and children | Synonyms: paediatrics, pediatric medicine, pedology |
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| pediatrist | (noun) a specialist in the care of babies | Synonyms: baby doctor, paediatrician, pediatrician |
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| pericardiac | (adjective) located around the heart or relating to or affecting the pericardium | Synonyms: pericardial |
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| pericardial | (adjective) located around the heart or relating to or affecting the pericardium | Synonyms: pericardiac |
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| phyllodial | (adjective) having a phyllode | - |
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| podiatrist | (noun) a specialist in care for the feet | Synonyms: chiropodist, foot doctor |
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| podiatry | (noun) the branch of medicine concerned with the feet | Synonyms: chiropody |
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| postmeridian | (adjective) after midday | - |
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| postprandial | (adjective) following a meal (especially dinner) | - |
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| prandial | (adjective) of or relating to a meal | - |
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| precordial | (adjective) in front of the heart; involving the precordium | - |
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| preprandial | (adjective) preceding a meal (especially dinner) | - |
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| primordial | (adjective) having existed from the beginning; in an earliest or original stage or state | Synonyms: aboriginal, primaeval, primal, primeval |
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| primordiality | (noun) The quality of being first, earliest or original. | - |
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| proboscidian | (noun) massive herbivorous mammals having tusks and a long trunk | Synonyms: proboscidean |
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| quotidian | (adjective) found in the ordinary course of events | Synonyms: everyday, mundane, routine, unremarkable, workaday |
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| radial | (adjective) relating to or moving along or having the direction of a radius | - |
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| (adjective) relating to or near the radius | - |
| (adjective) issuing in rays from a common center; relating to rays of light | - |
| (adjective) arranged like rays or radii; radiating from a common center | Synonyms: radiate, stellate |
| (noun) pneumatic tire that has radial-ply casing | Synonyms: radial-ply tire, radial tire |
| radially | (adverb) in a radial manner | - |
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| radian | (noun) the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees) | Synonyms: rad |
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| radiance | (noun) the quality of being bright and sending out rays of light | Synonyms: effulgence, radiancy, refulgence, refulgency, shine |
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| (noun) the amount of electromagnetic radiation leaving or arriving at a point on a surface | Synonyms: glow, glowing |
| (noun) an attractive combination of good health and happiness | - |
| radiancy | (noun) the quality of being bright and sending out rays of light | Synonyms: effulgence, radiance, refulgence, refulgency, shine |
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| radiant | (adjective) radiating or as if radiating light | Synonyms: beaming, beamy, effulgent, refulgent |
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| radiantly | (adverb) in a radiant manner | - |
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| radiate | (adjective) having rays or ray-like parts as in the flower heads of daisies | - |
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| (adjective) arranged like rays or radii; radiating from a common center | Synonyms: radial, stellate |
| (verb) send out real or metaphoric rays; the children radiated joyous energy | - |
| (verb) issue or emerge in rays or waves | - |
| (verb) spread into new habitats and produce variety or variegate | Synonyms: diversify |
| (verb) experience a feeling of well-being or happiness, as from good health or an intense emotion | Synonyms: beam, glow, shine |
| (verb) cause to be seen by emitting light as if in rays | - |
| (verb) have a complexion with a strong bright color, such as red or pink | Synonyms: beam, glow, shine |
| (verb) extend or spread outward from a center or focus or inward towards a center | Synonyms: ray |
| (verb) send out rays or waves | - |
| radiating | (adjective) diverging from a common point | - |
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| radiation | (noun) the act of spreading outward from a central source | - |
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| (noun) (medicine) the treatment of disease (especially cancer) by exposure to a radioactive substance | Synonyms: actinotherapy, irradiation, radiation therapy, radiotherapy |
| (noun) a radial arrangement of nerve fibers connecting different parts of the brain | - |
| (noun) the spread of a group of organisms into new habitats | - |
| (noun) energy that is radiated or transmitted in the form of rays or waves or particles | - |
| (noun) the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay | Synonyms: radioactivity |
| (noun) syndrome resulting from exposure to ionizing radiation (e.g., exposure to radioactive chemicals or to nuclear explosions); low doses cause diarrhea and nausea and vomiting and sometimes loss of hair; greater exposure can cause sterility and cataracts and some forms of cancer and other diseases; severe exposure can cause death within hours | Synonyms: radiation sickness, radiation syndrome |
| radiator | (noun) a mechanism consisting of a metal honeycomb through which hot fluids circulate; heat is transferred from the fluid through the honeycomb to the airstream that is created either by the motion of the vehicle or by a fan | - |
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| (noun) heater consisting of a series of pipes for circulating steam or hot water to heat rooms or buildings | - |
| (noun) any object that radiates energy | - |
| remediable | (adjective) capable of being remedied or redressed | - |
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| remedial | (adjective) tending or intended to rectify or improve | - |
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| (adjective) tending to cure or restore to health | Synonyms: alterative, curative, healing, sanative, therapeutic |
| remediate | (verb) set straight or right | Synonyms: amend, rectify, remedy, repair |
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| remediation | (noun) act of correcting an error or a fault or an evil | Synonyms: redress, remedy |
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| repudiate | (verb) refuse to acknowledge, ratify, or recognize as valid | - |
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| (verb) cast off | Synonyms: disown, renounce |
| (verb) reject as untrue, unfounded, or unjust | - |
| (verb) refuse to recognize or pay | - |
| repudiation | (noun) the exposure of falseness or pretensions | Synonyms: debunking |
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| (noun) rejecting or disowning or disclaiming as invalid | Synonyms: renunciation |
| (noun) refusal to acknowledge or pay a debt or honor a contract (especially by public authorities) | - |
| repudiative | (adjective) rejecting emphatically; e.g. refusing to pay or disowning | - |
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| sarcosporidian | (noun) parasite of the muscles of vertebrates | Synonyms: sarcocystidean, sarcocystieian |
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| semidiameter | (noun) the apparent radius of a celestial body when viewed as a disc from the earth | - |
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| steradian | (noun) the unit of solid angle adopted under the Systeme International d'Unites | Synonyms: sr |
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| stipendiary | (adjective) pertaining to or of the nature of a stipend or allowance | - |
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| (adjective) for which money is paid | Synonyms: compensable, paying, remunerative, salaried |
| (adjective) receiving or eligible for compensation | Synonyms: compensated, remunerated, salaried |
| (noun) (United Kingdom) a paid magistrate (appointed by the Home Secretary) dealing with police cases | Synonyms: stipendiary magistrate |
| submediant | (noun) (music) the sixth note of a major or minor scale (or the third below the tonic) | - |
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| subsidiarity | (noun) secondary importance | Synonyms: subordinateness |
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| subsidiary | (adjective) functioning in a supporting capacity | Synonyms: auxiliary, supplemental, supplementary |
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| (noun) a company that is completely controlled by another company | Synonyms: subsidiary company |
| (noun) an assistant subject to the authority or control of another | Synonyms: foot soldier, subordinate, underling |
| sulfadiazine | (noun) a sulfa drug used in treating meningitis and pneumonia and other infections | - |
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| sundial | (noun) timepiece that indicates the daylight hours by the shadow that the gnomon casts on a calibrated dial | - |
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| tachycardia | (noun) abnormally rapid heartbeat (over 100 beats per minute) | - |
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| tetramethyldiarsine | (noun) a poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air | Synonyms: cacodyl |
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| tragedian | (noun) an actor who specializes in tragic roles | - |
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| (noun) a writer (especially a playwright) who writes tragedies | - |
| uncordial | (adjective) lacking warmth or friendliness | - |
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| undiagnosable | (adjective) not possible to diagnose | - |
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| undiagnosed | (adjective) eluding diagnosis | - |
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| unmediated | (adjective) having no intervening persons, agents, conditions | Synonyms: direct |
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| zodiac | (noun) (astrology) a circular diagram representing the 12 zodiacal constellations and showing their signs | - |
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| (noun) a belt-shaped region in the heavens on either side to the ecliptic; divided into 12 constellations or signs for astrological purposes | - |
| zodiacal | (adjective) relating to or included in the zodiac | - |
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