Factor
Part of speech: verb
Definition: To find all the factors of (a number or other mathematical object) (the objects that divide it evenly). To be a product of other objects.
Part of speech: noun
Definition: A doer, maker; a person who does things for another person or organization An integral part Any of various objects multiplied together to form some whole Influence; a phenomenon that affects the nature, the magnitude, and/or the timing of a consequence
Example sentence: Character, in the long run, is the decisive factor in the life of an individual and of nations alike.
Gene
Part of speech: noun
Definition: A unit of heredity; a segment of DNA or RNA that is transmitted from one generation to the next, and that carries genetic information such as the sequence of amino acids for a protein.
Example sentence: Biodiversity can't be maintained by protecting a few species in a zoo, or by preserving greenbelts or national parks. To function properly, nature needs more room than that. It can maintain itself, however, without human expense, without zookeepers, park rangers, foresters or gene banks. All it needs is to be left alone.