subtend

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Related to subtended: Subtended arc

sub·tend

 (səb-tĕnd′)
tr.v. sub·tend·ed, sub·tend·ing, sub·tends
1. Mathematics To be opposite to and delimit: The side of a triangle subtends the opposite angle.
2. To underlie so as to enclose or surround: flowers subtended by leafy bracts.

[Latin subtendere, to extend underneath : sub-, sub- + tendere, to extend; see ten- in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

subtend

(səbˈtɛnd)
vb (tr)
1. (Mathematics) geometry to be opposite to and delimit (an angle or side)
2. (Botany) (of a bract, stem, etc) to have (a bud or similar part) growing in its axil
3. to mark off
4. to underlie; be inherent in
[C16: from Latin subtendere to extend beneath, from sub- + tendere to stretch out]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sub•tend

(səbˈtɛnd, sʌb-)

v.t.
1. Geom. to extend under or be opposite to: a chord subtending an arc.
2. (of a leaf, bract, etc.) to occur beneath or close to.
3. to form or mark the outline or boundary of.
[1560–70; < Latin subtendere to stretch beneath =sub- sub- + tendere to stretch]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

subtend


Past participle: subtended
Gerund: subtending

Imperative
subtend
subtend
Present
I subtend
you subtend
he/she/it subtends
we subtend
you subtend
they subtend
Preterite
I subtended
you subtended
he/she/it subtended
we subtended
you subtended
they subtended
Present Continuous
I am subtending
you are subtending
he/she/it is subtending
we are subtending
you are subtending
they are subtending
Present Perfect
I have subtended
you have subtended
he/she/it has subtended
we have subtended
you have subtended
they have subtended
Past Continuous
I was subtending
you were subtending
he/she/it was subtending
we were subtending
you were subtending
they were subtending
Past Perfect
I had subtended
you had subtended
he/she/it had subtended
we had subtended
you had subtended
they had subtended
Future
I will subtend
you will subtend
he/she/it will subtend
we will subtend
you will subtend
they will subtend
Future Perfect
I will have subtended
you will have subtended
he/she/it will have subtended
we will have subtended
you will have subtended
they will have subtended
Future Continuous
I will be subtending
you will be subtending
he/she/it will be subtending
we will be subtending
you will be subtending
they will be subtending
Present Perfect Continuous
I have been subtending
you have been subtending
he/she/it has been subtending
we have been subtending
you have been subtending
they have been subtending
Future Perfect Continuous
I will have been subtending
you will have been subtending
he/she/it will have been subtending
we will have been subtending
you will have been subtending
they will have been subtending
Past Perfect Continuous
I had been subtending
you had been subtending
he/she/it had been subtending
we had been subtending
you had been subtending
they had been subtending
Conditional
I would subtend
you would subtend
he/she/it would subtend
we would subtend
you would subtend
they would subtend
Past Conditional
I would have subtended
you would have subtended
he/she/it would have subtended
we would have subtended
you would have subtended
they would have subtended
Collins English Verb Tables © HarperCollins Publishers 2011
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.subtend - be opposite to; of angles and sides, in geometry
be - have the quality of being; (copula, used with an adjective or a predicate noun); "John is rich"; "This is not a good answer"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

subtend

vtgegenüberliegen (+dat)
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

subtend

[səbˈtɛnd] vt (Geom) → sottendere
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
To find your target distance, divide target height in mils at 100 yards by the number of mils subtended. Result: range in hundreds of yards.
Above all, he explores the perspectives about the fundamental arena subtended by the quantum potential, and the link between the geometry associated with the quantum potential and a fundamental quantum vacuum.
Property 1: The angles at the centre and at the circumference of a circle subtended by same arc.
However, the clever rifleman can "tweak" this to his own needs by adjusting the power, noting the distances subtended at various ranges, and then making a cheat sheet compatible with the values for his load.
Back then, putting a reticle in one of the new scopes that only subtended correctly at 25X meant that it was rarely useable because any heat or humidity quickly generated mirage that grossly distorted the image.
Horror vacui overwhelmed the large gallery devoted to the body, which was filled with scorched and bleached denim canvases, fake palm trees, and a legion of mannequins and sculptural deities, all doused in haphazardly splattered paint and subtended by an enormous drop cloth.
Among the topics are a new method for generating arbitrary polygonal aggregate of concrete, semi-circular bending tests using a digital image correlation method, an experimental investigation of the structural effect of soft clay under low-frequency cyclic loading, the diagnosis of structural damage based on the strain model, safety measures against fire in a single-highway tunnel for subtended traffic, support techniques for excavating deep rock mass, water saving irrigation and food security in China, an efficient calculation method for seismic spectral analysis under multiple support excitation, and applying tubular truss structures in engineering.
If glare is found, the tool calculates the retinal irradiance (flux of radiant energy on the retina) and subtended angle of the glare source (size of glare source divided by distance to the eye) to predict potential ocular hazards ranging from temporary after-image to retinal burn.
For these applications, sector arrays, where the elements occupy a sector of subtended angle are appropriate [1].
For each TRP, the subtended angle of the reflector, which is related to F/D, can be determined with a given reflector edge taper.