Through the unbroken skin (as for example with measurements of blood glucose level with an optical glucometer using photometry or of oxygen saturation via pulse oximetry).

Misspelling of centrifugal.

(archaic, UK, slang) Alternative form of fullam (“loaded die”) / (archaic, UK, colloquial, by extension) Alternative form of fullam (“sham”)

(idiomatic) feigned sleep while actually alert