different between selectivity vs selection

English

Etymology

selective +? -ity

Noun

selectivity (countable and uncountable, plural selectivities)

1. The quality of being selective; usually the extent to which something is selective.(Can we add an example for this sense?)
2. The ability of a radio receiver to separate a desired signal frequency from others.
3. (chemistry) Discrimination of a reactant towards a choice of other reactants; the ratio of rate constants for different reactants.

Derived terms

Translations

See also

• selectiveness

English

Etymology

From Latin s?l?cti? (“the act of choosing out, selection”), from s?l?ctus, perfect passive participle of s?lig? (“choose out, select”), from s?- (“apart”) + leg? (“gather, select”).

Pronunciation

• IPA^(key): /s??l?k??n/
• Rhymes: -?k??n

Noun

selection (countable and uncountable, plural selections)

1. The process or act of selecting.

   The large number of good candidates made selection difficult.

2. Something selected.

   My final selection was a 1934 Chateau Lafitte.

3. A variety of items taken from a larger collection.

   I've brought a selection of fine cheeses to go with your wine.

4. A musical piece.

   For my next selection, I'll play Happy Birthday in F-sharp minor.

5. (databases) A set of data obtained from a database using a query.
6. (linguistics) The ability of predicates to determine the semantic content of their arguments. ^Wp
7. (programming) A list of items on which user operations will take place. ^Wp
8. (algebra) A unary operation that denotes a subset of a relation.
9. (historical) The free selection before survey of crown land in some Australian colonies under land legislation introduced in the 1860s. ^Wp
10. (biology) The stage of a genetic algorithm in which individual genomes are chosen from a population for later breeding. ^Wp
11. (biology) Ellipsis of natural selection

Synonyms

• choice
• (musical piece): number
• (something selected): option
• (musical piece): piece
• (variety from larger collection): subset

Derived terms

Related terms

Translations

Further reading

• selection in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• selection in The Century Dictionary, New York, N.Y.: The Century Co., 1911.

Anagrams

• elections, selenotic, telesonic