(relativity) special relativity

“a hundred days of sermonizing, one fart” → a metaphor for how something that one has put great effort into can come to nothing after even a slight mistake, much as a hundred days of serious spiritual study can be lost to the winds

(geometry, mathematics) Euclidean geometry

auditory phonetics

(phonetics) articulatory phonetics

(phonetics) acoustic phonetics

microbiology

(mathematics) geometrical

(mathematics) calculus, infinitesimal calculus

(anthropology) ethnography - the branch of anthropology that scientifically describes specific human cultures and societies.