plural of nature lover

(mathematics) a positive integer {1, 2, 3, ...} / (mathematics) a non-negative integer {0, 1, 2, ...}

A male biological child, whether legitimate or illegitimate, as opposed to one adopted. / An illegitimate son.

(evolutionary theory) A process by which heritable traits conferring survival and reproductive advantage to individuals, or related individuals, tend to be passed on to succeeding generations and become more frequent in a population, whereas other less favourable traits tend to become eliminated; the differential survival and reproduction of phenotypes.

A mixture of gaseous hydrocarbons associated with petroleum deposits; mostly methane with smaller amounts of ethane, propane and butane; principally used as a fuel.

(mathematics) The set of positive integers, {1, 2, 3, ...}. / (mathematics, computer science) The set of non-negative integers, {0, 1, 2, 3, ...}.

(music) A musical grammar which arises spontaneously in a musical culture (as opposed to an artificial grammar).

The study of all living things, especially their origins, evolution and interrelationships. / The study of all natural phenomena: botany, zoology, mineralogy, etc.

(Australia, regional) An area of grass beside a roadway, possibly with a few trees or shrubs, lying between the roadway proper and the footpath, if there is one; a tree lawn.

(mathematics) The logarithm in base e: either the function that given x returns y such that eʸ = x, or the value of y given by the function.