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spermatozoan

spermatozoan

9.9
A male sex cell that swims and can fertilize an egg
  • noun
  • /ˌspɜrməˈtoʊzoʊən/
  • Specialized
translation icon : espermatozoide
  • During reproduction, the spermatozoan plays a crucial role in fertilizing the female gamete.

Examples

  • The scientist observed a spermatozoan swimming towards the egg cell in a drop of culture fluid.

  • You take a donkey and then you take the spermatozoa of a zebra.

  • Red blood cells, spermatozoa and neurons, each of which carry different, each of which carry different functions.

  • Under the microscope, the researcher examined the structure of a spermatozoan and noted its motility.

Synonyms

sperm
vsspermatozoan
253 3.2

A male sex cell that joins a female egg to make a baby

emphasizes the gamete's typical motility and fertilizing ability
sperm cell
vsspermatozoan
3 3.5

A male cell that joins a female egg to make a baby

emphasizes that the cell is typically motile rather than only fertilizing
spermatozoon
vsspermatozoan
  • Specialized
1 9.6

A male sex cell that swims to fertilize an egg

is identical in meaning but differs only in its word ending
spermatozoid
vsspermatozoan
  • Specialized
9.9

A moving male cell in plants like ferns that fertilizes eggs

refers to the male gamete in animals and general use not only plants
antherozoid
vsspermatozoan
  • Specialized
9.9

A moving male sex cell in plants like ferns and algae that swims to the egg

applies broadly to motile male gametes including animal ones not just plant examples

Surface Forms

spermatozoan singular
spermatozoans plural

Morphology

spermatozoan = spermatozoon (semi-transparent) = spermato + zoon + an

The change from 'spermatozoon' to 'spermatozoan' is a regular adjectival/noun-forming suffixation (-an), but the elements are technical combining forms and may not be fully obvious to a general B1 learner.

Etymology

The word spermatozoan comes from Greek roots spermato- meaning 'seed' and zoon meaning 'animal', the same 'zoo' you see in zoology. So a spermatozoan is like a tiny 'seed-animal', a moving male 'seed' cell that can swim to fertilize an egg.