Sip-tō͘ (溼度) sī khong-khì tiong chúi cheng-khì ê liōng. Khì-thài ê chúi cheng-khì bô-hoat-tō͘ ēng ba̍k-chiu khòaⁿ. Sip-tō͘ koân piáu-sī hoat-seng kàng-chúi, lō͘-chúi ia̍h-sī tà-bông ê khó-lêng-sèng mā khah koân. Sip-tō͘ jú koân, jú ē lâu-kōaⁿ, lâng ē kám-kak sip koh joa̍h, in-ūi phôe-hu piáu-bīn ê chúi-khì cheng-hoat ê sok-lu̍t khah bān. Ta̍t-kàu páu-hô só͘ su-iàu ê chúi cheng-khì ê liōng tòe un-tō͘ gia̍h-koân lâi cheng-ka. Niû sip-tō͘ ê hong-hoat ū kúi-nā chióng: choa̍t-tùi sip-tō͘ (absolute humidity), siong-tùi sip-tō͘ (relative humidity) kap tan-ūi sip-tō͘ (specific humidity).

Sip-tō͘
Specific concepts
General concepts
Measures and Instruments