spectrophotometric analysis n.
The determination of the structure or quantity of substances by measuring their capacity to absorb light of various wavelengths. Also called spectrophotometry.
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| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |