PTERYGIUM

pterygium

(noun) either of two thickened triangular layers of conjunctiva extending from the nasal edge of the eye to the cornea; it arises from irritation of the pinguecula

Source: WordNet® 3.1


Etymology

Noun

pterygium (plural pterygiums or pterygia)

(medicine) An abnormal mass of tissue in the corner of the eye that obstructs vision

(anatomy) A generalized limb of a vertebrate.

Source: Wiktionary


Pte*ryg"i*um, n.; pl. E. Pterygiums, L. Pterygia. Etym: [NL., fr. Gr. (Med.)

Definition: A superficial growth of vascular tissue radiating in a fanlike manner from the cornea over the surface of the eye.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

5 April 2025

SET

(noun) an unofficial association of people or groups; “the smart set goes there”; “they were an angry lot”


coffee icon

Coffee Trivia

Brazil is the largest coffee producer in the world. Each year Brazil exports more than 44 million bags of coffee. Vietnam follows at exporting over 27 million bags each year.

coffee icon