You can overdose on coffee if you drink about 30 cups in a brief period to get close to a lethal dosage of caffeine.
ALIDADE
alidade, alidad
(noun) surveying instrument used with a plane table for drawing lines of sight on a distant object and for measuring angles
alidade, alidad
(noun) surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments
Source: WordNet® 3.1
Etymology
Noun
alidade (plural alidades)
(cartography, astronomy, surveying) A sighting device used for measuring angles.
Synonyms
• turning board, diopter (obsolete)
Source: Wiktionary
Al"i*dade, n. Etym: [LL. alidada, alhidada, fr. Ar. al-'idada a sort of rule: cf. F. alidade.]
Definition: The portion of a graduated instrument, as a quadrant or astrolabe, carrying the sights or telescope, and showing the degrees cut off on the arc of the instrument Whewell.
Source: Webster’s Unabridged Dictionary 1913 Edition
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