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English Words Starting With S
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- spent/spɛnt/past tense and past participle of 'spend'; used up, exhausted, or no longer having energy or power.adjectiveverbB1
- spent gnat/spɛnt næt/A completely exhausted or insignificant person or thing; something utterly depleted of energy or value.nounLow
- spenta amesha/ˌspɛntə əˈmeɪʃə/A term from Zoroastrianism, referring to a group of divine immortal beings (Amesha Spentas, or 'Holy Immortals') that are emanations or attributes of the supreme deity, Ahura Mazda. They are divine entities that guide and protect creation.nounVery Low (Academic/Specialist)
- spenta mainyu/ˌspɛntə ˈmaɪnjuː/The holy or beneficent spirit in Zoroastrianism, one of the twin spirits created by Ahura Mazda, representing truth, life, and goodness.nounExtremely Low (C2/Technical)
- speos/ˈspiːɒs/A cave or rock-cut temple in ancient Egypt, typically from the New Kingdom period.nounVery Rare / Specialist
- speranski/spɛˈrænski/A proper noun referring to a surname of Eastern European origin, often associated with notable historical figures.nounVery low
- sperm/spɜːm/A cell produced by a male, especially human, that can join with a female egg to create new life.nounC1
- sperm bank/ˈspɜːm ˌbæŋk/A facility where sperm is stored for use in artificial insemination or fertility treatments.nounMedium
- sperm cell/ˈspɜːm ˌsɛl/The male gamete, or reproductive cell, which fuses with an egg cell during fertilization to form a zygote.nounC1
- sperm oil/ˈspɜːm ˌɔɪl/A pale yellow, waxy oil obtained from the head cavity of the sperm whale, historically used as a high-grade lubricant and illuminant.nounC2
- sperm washing/spɜːm ˈwɒʃɪŋ/A laboratory procedure in which semen is processed to separate motile sperm from seminal fluid, white blood cells, and potential pathogens.nounLow/Very Specialized
- sperm whale/ˈspɜːm ˌweɪl/A large toothed whale, the largest of the odontocetes, characterized by a massive square head containing spermaceti, and known for its deep diving abilities to hunt giant squid.nounC1
- spermaceti/ˌspɜː.məˈsiː.ti/A waxy substance found in the head cavities of the sperm whale.nounvery low
- spermagonium/spɜːˈmæɡəniəm/A structure in certain fungi, such as rusts, that produces spermatia.nounVery Low
- spermary/ˈspɜːməri/A male reproductive organ that produces sperm; a testis.nounRare
- spermatangium/ˌspɜːməˈtændʒiəm/A structure in certain algae and fungi that produces spermatia, or non-motile male gametes.nounVery Low
- spermatheca/ˌspɜː.məˈθiː.kə/A specialized organ in female invertebrates (especially insects, spiders, and some worms) that stores sperm after mating.nounVery Low
- spermatic cord/spɜːˈmætɪk kɔːd/a tubular structure in males that contains the vas deferens, blood vessels, nerves, and lymphatics, running from the deep inguinal ring down to each testicle.nounLow frequency, specialized
- spermatic fluid/spəːˈmatɪk ˈfluːɪd/The seminal fluid emitted by males during ejaculation, containing spermatozoa.nounC1
- spermaticide/spɜːˈmætɪsaɪd/A substance that kills sperm.nounRare
Showing 10001–10020 of 15552 words.