-id

1

a suffix of nouns that have the general sense “offspring of, descendant of,” occurring originally in loanwords from Greek (Atreid; Nereid), and productive in English on the Greek model, especially in names of dynasties, with the dynasty's founder as the base noun (Abbasid; Attalid), and in names of periodic meteor showers, with the base noun usually denoting the constellation or other celestial object in which the shower appears (Perseid).

Nearby words

  1. -ical,
  2. -ically,
  3. -ice,
  4. -ician,
  5. -ics,
  6. -ida,
  7. -idae,
  8. -ide,
  9. -ides,
  10. -idia

Origin of -id

1
< Latin -id-, stem of -is < Greek: feminine patronymic suffix; or < Latin -idēs < Greek: masculine patronymic suffix

-id

2

a suffix occurring in English derivatives of modern Latin taxonomic names, especially zoological families and classes; such derivatives are usually nouns denoting a single member of the taxon or adjectives with the sense “pertaining to” the taxon: arachnid; canid.

Origin of -id

2
< Greek -idēs -id1, as singular of New Latin -ida -ida or -idae -idae

-id

3

variant of -ide: lipid.

-id

4

a suffix occurring in descriptive adjectives borrowed from Latin, often corresponding to nouns ending in -or1: fetid; humid; pallid.

Origin of -id

4
From the Latin suffix -idus

-ide

or -id

a suffix used in the names of chemical compounds: bromide.

Origin of -ide

extracted from oxide

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for -id

-id

1

suffix forming nouns

indicating the names of meteor showers that appear to radiate from a specified constellationOrionids (from Orion)
indicating a particle, body, or structure of a specified kindenergid

Word Origin for -id

from Latin -id-, -is, from Greek, feminine suffix of origin

suffix forming adjectives, suffix forming nouns

indicating members of a zoological familycyprinid
indicating members of a dynastySeleucid; Fatimid

Word Origin for -id

from New Latin -idae or -ida, from Greek -idēs suffix indicating offspring

suffix forming nouns

a variant of -ide

-ide

-id

suffix forming nouns

(added to the combining form of the nonmetallic or electronegative elements) indicating a binary compoundsodium chloride
indicating an organic compound derived from anotheracetanilide
indicating one of a class of compounds or elementspeptide; lanthanide

Word Origin for -ide

from German -id, from French oxide oxide, based on the suffix of acide acid

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

Word Origin and History for -id
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for -id

-id

suff.

Body; particle:chromatid.

-ide

suff.

Group of related chemical compounds:monosaccharide.
Binary compound:sodium chloride.
Chemical element with properties similar to another:lanthanide.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for -id

-ide

A suffix used to form the names of various chemical compounds, especially the second part of the name of a compound that has two members (such as sodium chloride) or the name of a general type of compound (such as polysaccharide).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.