Suffix Dictionary T-Z

Meanings of medical suffixes

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EUGENE M. MCCARTHY, PHD

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Words Prefixes Suffixes Roots
a | b-c | d | e | f-g | h-j 

 k-m | n-o | p | r-s | t-z

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-tactic or -taxial [Greek taxis arrangement, order] (1) pertaining to arrangement, order, pattern (chaetotactic); (2) pertaining to movement of an organism in response to a stimulus of the type indicated by the stem or prefix (barotactic).

-taph [Greek taphos funeral, tomb, grave] Burial, grave (epitaph).

-tarsal [Greek tarsos podos flat of the foot] Denotes the tarsus (tibiotarsal).

-taxia or -taxis or -taxy [Greek taxis arrangement, order] (1) arrangement, order, pattern (chaetotaxy, heterotaxis, homotaxis); (2) movement of an organism in response to a stimulus of the type indicated by the stem or prefix (barotaxis, phototaxis).

-thallus (pl -thalli) or -thallium (pl -thallia). [Latin thallus young green branch or shoot] Indicates a young branch or shoot of the type indicated by the stem or prefix (prothallium).

-thamnia or -thamnus [Greek thamnos bush, shrub] Denotes a shrub with the characteristic indicated by the stem or prefix (Lepidothamnus ).

-theca (pl -thecae) [Latin theca case, box, cover, envelope, container] Containing structure, covering, or sheath, of the type indicated by the stem or prefix (ootheca).

-thecium (pl -thecia). [Latin theca case, box, cover, envelope, container] Small containing structure, covering, or sheath, of the type indicated by the stem or prefix (acrothecium).

-there (also -therian) [Greek therion wild animal] Beast, mammal (titanothere).

-therium (pl -theria) [Greek therion wild animal] In taxonomic names: Beast, mammal (Prototheria).

-therm [Greek therme heat] An animal having the mode of temperature regulation indicated by the stem or prefix (endotherm).

-thermia [Greek therme heat] Having the temperature level indicated by the stem or prefix (hypothermia).

-thymia [Greek thymos mind, spirit] Condition of the mind indicated by the stem or prefix (schizothymia).

-tibial [Latin tibia pipe, shinbone] Denotes the tibia (femorotibial).

-tic See: -ic.

-tion See: -ion.

-tokous [Greek tokeus father, sire] Producing, bearing (arrhenotokous).

-toky [Greek tokeus father, sire] Parentage, production, bearing, reproduction (thelytoky).

-tome [Greek tomeus one that cuts] (1) cutting instrument (microtome); (2) part, section (gonotome).

-tomy [Greek tomos cutting, sharp] (1) cutting, incision (lobotomy).

-topia [Greek topos place] Denotes the state of being in a place or location (ectopia).

-topic [Greek topos place] Denotes placement or location (ectopic pregnancy).

-toxic [Latin toxicum poison] Poisonous, toxic (fetotoxic).

-toxin [Latin toxicum poison] A toxin of the type indicated by the stem or prefix (batrachotoxin, hemotoxin, neurotoxin).

-trema or -treme (pl -tremata) [Gk trema hole] Hole, opening or orifice (monotreme).

-trichia or -trichy [Greek thrix hair] Condition of having hair of the type, or in the state, indicated by the stem or prefix (leukotrichia).

-trichium (pl -trichia) [Greek thrix hair] A hair of the type indicated by the stem or prefix (microtrichium).

-trope [Greek tropos turn, direction, way] One exhibiting a tropism in response to the sort of stimulus indicated by the stem or prefix (heliotrope).

-troph [Greek trophe nourishment, food] One nourished or growing in the manner indicated by the the stem or prefix (autotroph).

-trophic [Greek trophe nourishment, food] Nourished or growing in the manner indicated by the the stem or prefix (autotroph).

-trophy [Greek trophe nourishment, food] Nourishment or growth of the type indicated by the the stem or prefix (atrophy).

-tropia or -tropism or -tropy [Greek tropos turn, direction, way] The manifestation of a tropism in response to the sort of stimulus indicated by the stem or prefix (phototropism).

-tropic or -tropous [Greek tropos turn, direction, way] Exhibiting a tropism in response to the sort of stimulus indicated by the stem or prefix (homotropous).

-tropium [Greek tropos turn, direction, way] An organism exhibiting a tropism in response to the stimulus indicated by the stem or prefix (Heliotropium ).

-ty [English equivalent of Latin -tas] Quality, state, condition (toxicity).

-type [Latin typus figure, pattern, type, model] Something that is a figure, pattern, type, or model of the kind indicated by the stem or prefix (karyotype).

-typic [Latin typus figure, pattern, type, model] Of or pertaining to the kind of figure, pattern, type, or model indicated by the stem or prefix (karyotypic, polytypic).

-typy [Latin typus figure, pattern, type, model] Condition of being a figure, pattern, type, or model of the kind indicated by the stem or prefix (homotypy).



-ula or -ulae or -ule or -ulum or -ulus [English -ule from Latin diminutive endings -ulus, -ula, -ulum, -ulae] Small one(s) (blastula).

-ulnar [Latin ulna forearm] Denotes the ulna (humeroulnar, radioulnar).

-um See: -ium.

-ura or -uran or -urus [Greek oura tail] One(s) having the condition of the tail(s) indicated by the stem or prefix (Anura).

-uria [Greek ouron urine] Denotes a condition of the urine (albuminuria, phenylketonuria, pyuria, saccharuria).



-valent [Latin valens potent] During synapsis in meiotic prophase I: composed of the number of homologous chromosomes indicated by the prefix (bivalent, quadrivalent, trivalent).

-vora [Latin vorare to swallow, devour] In taxonomic names: One that eats the thing indicated by the prefix or stem (Carnivora, Insectivora).

-vore [Latin vorare to swallow, devour] An organism that eats the thing indicated by the prefix or stem (carnivore, insectivore).

-vorous [Latin vorare to swallow, devour] Eating the thing indicated by the prefix or stem (carnivorous, insectivorous).



-ward or -wards [Old English suffix -weard; of Germanic origin, but related to Latin vertere to turn] In the direction of the the thing indicated by the stem or prefix (upward, homewards, toward).



-xylon [Greek xylon wood] (1) in taxonomic names: organism(s) having wood of a type or a relationship to wood of a type indicated by the stem or prefix; (2) wood (Trochetiopsis erythroxylon ).



-y (also -ey) [Old English -ig] comparative: -ier, superlative: -iest (1) characterized by, abundant in (woodsy); (2) made of, containing (clayey); (3) similar to, like (summery);

-yl In chemistry: denotes a radical (methyl).

-ylene In chemistry: denotes a bivalent hydrocarbon radical (methylene).

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-zoa (sing -zoan) [Greek zoon animal] Denotes animals or, more broadly, living things (protozoa).

-zoic [-zoa + -ic] (1) having the animal mode of existence indicated by the stem or prefix (coprozoic); (2) relating to animal life or, more broadly, to life of any kind (Mesozoic).

-zygous [Greek zygon yoke, tying element] (1) yoked; (2) having a zygotic nature of a sort indicated by the stem or prefix (heterozygous).

-zyme [Greek zymosis fermentation] Enzyme (allozyme, enzyme).

Search for suffixes >>

Words Prefixes Suffixes Roots
a | b-c | d | e | f-g | h-j 

 k-m | n-o | p | r-s | t-z

Browse suffixes >>