a bright to dark red crystalline compound, C 19 H 14 O 5 S, slightly soluble in water, alcohol, and acetone: used as an acid-base indicator and as a diagnostic reagent in medicine.
phenol redn. A bright to dark red, water-soluble crystalline dye used as an acid-base indicator and to test kidney function and renal blood flow. Also called phenolsulfonphthalein.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a gadget; dingus; thingumbob.
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.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.