哺ほ乳にゅう類るい

ほ

にゅ

う

る

い

Freq.FrequencyTop 20,000

Meanings

1

mammal; mammalian

Standard biological term for mammals as a class of animals.

哺ほ乳にゅう類るいは背せ骨ぼねを持もつ動どう物ぶつです。

Mammals are animals that have a backbone.

〈動どう物ぶつ〉は哺ほ乳にゅう類るいであるX is a mammal
クジラは哺ほ乳にゅう類るいである。
Whales are mammals.
〈動どう物ぶつ〉は哺ほ乳にゅう類るいに属ぞくするX belongs to the mammal class
コウモリは哺ほ乳にゅう類るいに属ぞくする動どう物ぶつだ。
Bats are animals that belong to the mammal class.

哺ほ乳にゅう動どう物ぶつ
哺乳動物 and 哺乳類 both mean 'mammal', but 哺乳類 is the standard taxonomic term used in biology and everyday speech while 哺乳動物 is a slightly more descriptive, less formal variant.
脊せき椎つい動どう物ぶつ
脊椎動物 (vertebrate) is a broader classification that includes 哺乳類 (mammals) along with birds, reptiles, fish, and amphibians.

鳥ちょう類るい
鳥類 refers to the biological class of birds, whereas 哺乳類 refers to the class of mammals—easy to mix up because both follow the same ～類 pattern for animal classes.
爬は虫ちゅう類るい
爬虫類 (reptiles) are cold-blooded egg-layers, whereas 哺乳類 (mammals) are warm-blooded and nurse their young.

From 哺乳 (ほにゅう, 'suckling') + 類 (るい, 'class, category'), referring to animals that nurse their young with milk.