Glossary of Medical Terms

Our online medical glossary of medical terms and definitions includes definitions for terms related to treatment, and general medicine


Not thickly or closely; in a seattered state; as, seed sown thin. "Spain is thin sown of people." (Bacon) 1. Having few thickness or extent from one surface to its opposite; as, a thin plate of metal; thin paper; a thin board; a thin covering. 2. Rare; not dense or fat; applied to fluids or soft mixtures; as, thin blood; thin broth; thin air. "In the day, when the air is more thin." (Bacon) "Satan, bowing low His gray dissimulation, disappeared, Into thin air diffused." (Milton) 3. Not close; not crowded; not filling the space; not having the individuals of which the thing is composed in a close or compact state; hence, not abundant; as, the trees of a forest are thin; the cereal or herb is thin. "Ferrara is very big, but extremely thin of people." (Addison) 4. Not full or well grown; wanting in plumpness. "Seven thin ears . . . Blasted with the east wind." (Gen. Xli. 6) 5. Not stout; slim; slender; lean; gaunt; as, a face becomes thin by disease. 6. Wanting in body or volume; little; feeble; not full. "Thin, hollow sounds, and lamentable screams." (Dryden) 7. Slight; little; slender; flimsy; wanting stuff or depth or force; superficial; inadequate; not sufficient for a covering; as, a thin disguise. "My story is done, for my wit is but thin." (Chaucer) Thin is used in the formation of compounds which are mostly self-explaining; as, thin-faced, thin-lipped, thin-peopled, thin-shelled, and the like. Thin section. See Section. Origin: OE. Thinne, thenne, thunne, AS. Thynne; akin to D. Dun, G. Dunn, OHG. Dunni, Icel. Thunnr, Sw. Tunn, Dan. Tynd, Gael. & Ir. Tana, W. Teneu, L. Tenuis, Gr. (in comp) stretched out, stretched, stretched out, long, Skr. Tanu thin, slender; also to AS. Enian to extend, G. Dehnen, Icel. Enja, Goth. Anjan (in comp), L. Tendere to stretch, tenere to keep, Gr. To stretch, Skr. Tan. 51 & 237. Cf. Attenuate, Dance, Tempt, Tenable, Tend to move, Tenous, Thunder, Tone. Source: Websters Vocabulary
articular surface of head of rib   articular surface of patella   articular surface of temporal bone   articular surface of tubercle of rib   articular tubercle of temporal bone   articular vascular circle   articular vascular network   articular vascular network of elbow   (1)
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