Dictionary.com

alidade

[ al-i-deyd ]
/ ˈæl ɪˌdeɪd /
Save This Word!

noun Surveying.
(in plane-tabling) a straightedge having a telescopic sight or other means of sighting parallel to the straightedge.
the entire upper part of a theodolite or transit, including the telescope, its supports, the level vials, the circle-reading device, and the spindle.
QUIZ
QUIZ YOURSELF ON AFFECT VS. EFFECT!
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help
Also al·i·dad [al-i-dad]. /ˈæl ɪˌdæd/.

Origin of alidade

1400–50; variant of alhidade<Medieval Latin alhidada<Arabic al-ʿiḍādah the turning radius (like a clock hand) of a circle; replacing late Middle English allydatha (<Old Spanish alhidada)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use alidade in a sentence

British Dictionary definitions for alidade

alidade

alidad (ˈælɪˌdæd)

/ (ˈælɪˌdeɪd) /

noun
a surveying instrument used in plane-tabling for drawing lines of sight on a distant object and taking angular measurements
the upper rotatable part of a theodolite, including the telescope and its attachments

Word Origin for alidade

C15: from French, from Medieval Latin allidada, from Arabic al-'idāda the revolving radius of a circle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK