(yǎn) to spread out; to develop; to overflow; to amplify
(yǎnhuà) to evolve (of ideas, designs, constructions etc); to develop and change
(yǎnshè) diffraction
(yǎnshègézi) diffraction grating (physics)
(yǎnshèjiǎo) angle of diffraction (physics)
(yǎnshēng) to give rise to; to derive; derivative; derivation
(yǎnshēngwù) a derivative (complex product derived from simpler source material)
(yǎnshēngchǎnpǐn) derivative product; derivative (in finance)
(yǎnshènggōng) hereditary title bestowed on Confucius' descendants
(yǎnshènggōngfǔ) the official residence of Confucius' descendants at Qufu 曲阜, Shandong
(yǎnbiàn) to develop; to evolve