fertilization
noun/ˌfɜrtələˈzeɪʃən/
Frequency rank: #12,398 most common English word
Meaning
the process by which a sperm cell unites with an egg cell to begin the development of a new organism.

Example sentence
The doctor explained that fertilization occurs when a sperm cell successfully joins with an egg cell.
Synonyms & related words
- conception
- impregnation
- insemination
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