A field of computer science and linguistics concerned with the interactions between computers and human (natural) languages, especially computational analysis and processing of large amounts of natural language data.

plural of natural minor scale

(music) A type of minor scale with the 3rd, 6th, and 7th notes lowered by one semitone, with the interval pattern:

Timing sexual intercourse to avoid the time of ovulation (if pregnancy is not wanted) or to fall within that time (if pregnancy is desired).

A hypothetical alternative to the anthropic principle that attempts to explain the complexity of the universe

(immunology) Any cell that expresses cell surface receptors that deliver signals to either activate or inhibit a response as part of the innate immune system.

Alternative form of liquefied natural gas

Alternative form of liquefied natural gas

(demography) The difference between the crude birth rate and the crude death rate of a population

(category theory) A natural transformation whose naturality squares are pullbacks.