微扰

Traditional form:

微擾

Pinyin (reading):

wēirǎo

Definitions:

• infinitesimal disturbance
• perturbation (physics)

Characters:

• 微 - small, tiny, trifling; micro-
• 扰 - to poke, to disturb, to annoy, to agitate

Traditional characters:

• 微 - small, tiny, trifling; micro-
• 擾 - to poke, to disturb, to annoy, to agitate