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declivity
5 dictionary results for: declivity
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
de·cliv·i·ty       [di-kliv-i-tee] Pronunciation Key
–noun, plural -ties.
a downward slope, as of ground (opposed to acclivity).
[Origin: 1605–15; < L of déclīvitās a slope, hill, equiv. to déclīvi(s) sloping downward (dé- de- + clīv(us) slope, hill + -is adj. suffix) + -tās -ty]
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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American Heritage Dictionary - Cite This Source - Share This
de·cliv·i·ty       (dĭ-klĭv'ĭ-tē)  Pronunciation Key 
n.   pl. de·cliv·i·ties
A downward slope, as of a hill.


[Latin dēclīvitās, from dēclīvis, sloping down : dē-, de- + clīvus, slope; see klei- in Indo-European roots.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Online Etymology Dictionary - Cite This Source - Share This
declivity 
1612, from L. declivitatem (nom. declivitas), from declivis "a sloping downward," from de- "down" + clivus "a slope," from PIE *klei-wo-, suffixed form of *klei "to lean" (see lean (v.)).

Online Etymology Dictionary, © 2001 Douglas Harper
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WordNet - Cite This Source - Share This
declivity

noun
a downward slope or bend [syn: descent] [ant: acclivity] 

WordNet® 3.0, © 2006 by Princeton University.
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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Declivity

De*cliv"i*ty\, n.; pl. Declivities. [L. declivitas, fr. declivis sloping, downhill; de + clivus a slope, a hill; akin to clinare to incline: cf. F. d['e]clivit['e]. See Decline.]

1. Deviation from a horizontal line; gradual descent of surface; inclination downward; slope; -- opposed to acclivity, or ascent; the same slope, considered as descending, being a declivity, which, considered as ascending, is an acclivity.

2. A descending surface; a sloping place.

Commodious declivities and channels for the passage of the waters. --Derham.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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