You searched for: “alternation
alternation
1. Successive change from one thing or state to another and back again.
2. The act or process of alternating or the state of being alternated.
3. Alternate succession; repeated rotation: the alternation of the seasons.
4. In electricity, a single fluctuation in the absolute value of an alternating current or voltage from zero to a maximum and back to zero, being equal to one half cycle.
5. In linguistics, a variation in the form of a linguistic unit as it occurs in different environments or under different conditions.
A unit related to: “alternation
(Latin: substitute; change, alternation)
Word Entries at Get Words containing the term: “alternation
alternation of generations
Succession of sexually and asexually formed groups of offspring belinging to a given species of organisms; such as, microspheric and megalospheric foraminifers, polyps, and medusa stages of some coelenterates (invertebrate lacking a backbone or spinal column), etc.

Coelenterates are radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms.

This entry is located in the following unit: Geology or Related Geological Terms + (page 2)