- 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).
Origin of -id1
- 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 -id2
- variant of -ide: lipid.
- a suffix occurring in descriptive adjectives borrowed from Latin, often corresponding to nouns ending in -or1: fetid; humid; pallid.
Origin of -id4
- a suffix used in the names of chemical compounds: bromide.
Origin of -ide
- 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
- indicating members of a zoological familycyprinid
- indicating members of a dynastySeleucid; Fatimid
- a variant of -ide
- (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 and History for -id
word-forming element meaning "belonging to, connected with, member of a group or class" (plural -idae), from French -ide and directly from Latin -ides, masculine patronymic, from Greek -ides. In astronomy, of meteor showers, it represents Latin -idis, Greek -idos, the genitive of the feminine patronymic suffix.
suffix used to form names of simple compounds of an element with another element or radical; originally abstracted from oxide, the first so classified.
- Body; particle:chromatid.
- Group of related chemical compounds:monosaccharide.
- Binary compound:sodium chloride.
- Chemical element with properties similar to another:lanthanide.
- 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).