Decaffeinated coffee comes from a chemical process that takes out caffeine from the beans. Pharmaceutical and soda companies buy the extracted caffeine.
ASTIGMATISM
astigmatism, astigmia
(noun) (optics) defect in an optical system in which light rays from a single point fail to converge in a single focal point
astigmatism, astigmia
(noun) (ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea; common in nearsighted people
Source: WordNet® 3.1
Etymology
Noun
astigmatism (countable and uncountable, plural astigmatisms)
(optics) A defect of a lens such that light rays coming from a point do not meet at a focal point so that the image is blurred.
(pathology) A disorder of the vision, usually due to a misshapen cornea, such that light does not focus correctly on the retina causing a blurred image.
Synonyms
• astigmia
Source: Wiktionary
A*stig"ma*tism, n. Etym: [Gr. astigmatisme.] (Med. & Opt.)
Definition: A defect of the eye or of a lens, in consequence of which the rays derived from one point are not brought to a single focal point, thus causing imperfect images or indistictness of vision.
Note: The term is applied especially to the defect causing images of lines having a certain direction to be indistinct, or imperfectly seen, while those of lines transverse to the former are distinct, or clearly seen.
Source: Webster’s Unabridged Dictionary 1913 Edition
Recent Word Finds
Word of the Day
10 June 2025
COMMUNICATIONS
(noun) the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.); “communications is his major field of study”
Coffee Trivia
