螺母

luómǔ

noun #34,982

Measure Word

一颗螺母 kē

Meanings

1 nut (the threaded fastener that pairs with a bolt)
2 female threaded fitting

Characters

Examples

请把这颗螺母拧紧。

Qǐng bǎ zhè kē luómǔ nǐngjǐn.

Please tighten this nut.

我需要一个六角螺母。

Wǒ xūyào yí ge liùjiǎo luómǔ.

I need a hex nut.

Tips

memory

螺 means 'spiral / snail' (the spiral threading) and 母 means 'mother' — Chinese mechanical terminology calls the threaded female piece a 'mother' and the bolt 螺栓/螺丝 the matching 'father' counterpart. So 螺母 = 'spiral-mother' = nut.

Stroke Order

螺 luó

母 mǔ