Infinitesimals are quantities that are too small to measure.
ɪ n f ɪ n ə t ɛ s ɪ m ə l z WORD_BOUNDARY ɑ ɹ WORD_BOUNDARY k w ɔ n t ɪ t i z WORD_BOUNDARY ð æ t WORD_BOUNDARY ɑ ɹ WORD_BOUNDARY t uː WORD_BOUNDARY s m ɔ l WORD_BOUNDARY t ə WORD_BOUNDARY m ɛ ʒ ə ɹ WORD_BOUNDARY