Monotreme

Synonyms of monotreme

• egg-laying mammal
• prototherian

Antonyms of monotreme

• placental mammal
• eutherian

Collocations of monotreme

mammal

Frequency: 80 %

Despite being egg-laying, monotremes are still classified as mammals.

egg-laying

Frequency: 70 %

Monotremes are unique among mammals for being egg-laying.

spiny anteater

Frequency: 60 %

The echidna is commonly known as a spiny anteater, a type of monotreme.

duck-billed platypus

Frequency: 50 %

The duck-billed platypus is a well-known monotreme species.

Idiomatic Expressions for monotreme

• Phrase: odd as a monotreme
  Meaning: referring to something strange or peculiar
  Usage: His behavior was as odd as a monotreme during the meeting.