What does gamete mean?
A gamete is a mature reproductive cell that carries half the genetic material of its parent organism. In animals and most plants, gametes come in two forms: the sperm cell, typically small and motile, and the ovum or egg cell, typically larger and non-motile. When two gametes fuse during fertilization, they form a zygote, which develops into a new organism. This process, called sexual reproduction, ensures genetic recombination — offspring inherit a unique blend of traits from both parents. The term appears chiefly in biology, medicine, genetics, and fertility treatment, appearing in phrases like 'gamete donation' and 'gamete intrafallopian transfer'. Though technical in register, the word has entered wider public discourse through debates about assisted reproduction and gene editing. Its Greek-derived name, drawn from words for husband and wife, elegantly captures its role: each gamete is a partner waiting to unite with another to create new life.
nounA mature haploid reproductive cell — an ovum in females or a sperm cell in males — that fuses with another gamete during fertilization to form a zygote.
- A mature haploid male or female reproductive cell (sperm or ovum) capable of fusing with another of the opposite sex to form a zygote.
"Each parent contributes one gamete to the embryo, combining half of their genetic material."
"In humans, the sperm and egg are the only gametes produced by the body."
"Researchers froze the donor gametes for use in next year's breeding program."
Standard English plural; commonly used when referring collectively to both sperm and egg cells or multiple instances.
"Both parents contribute gametes to the offspring."
The word 'gamete' comes from Greek words for 'husband' and 'wife' — every human begins as a literal union of two cells named after a marriage.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of gamete
'Gamete' derives from the ancient Greek 'gametē' meaning 'wife' and 'gametēs' meaning 'husband', both rooted in 'gamos', meaning 'marriage'. The term was popularized in biology during the late 19th century as scientists formalized theories of sexual reproduction and cell fusion. It shares this Greek root with related words such as 'monogamy', 'polygamy', and 'bigamy', all of which concern forms of marriage. The etymology reflects the word's core sense of biological pairing and union.
Related word forms
How gamete is actually used
Primarily used in biology, medicine, genetics, and discussions of reproduction; largely technical rather than everyday vocabulary. In genetics contexts it often carries connotations of heredity and natural selection.
Easily confused with gamete
A gamete is the single haploid sex cell before fertilization, while a zygote is the diploid cell formed after two gametes fuse.