a combining form meaning “wet,” “moist,” “moisture,” used in the formation of compound words:
indicating moisture: hygrometer
word-forming element meaning “wet, moist, moisture,” from Greek hygro-, comb. form of hygros “wet, moist, fluid,” from PIE root *wegw- “wet.”
hygro- or hygr-
Moisture; liquid; humidity: hygroscopic.
/haɪˈɡrɪstə/ noun 1. an electronic component the resistance of which varies with humidity
[hahy-gruh-gram] /ˈhaɪ grəˌgræm/ noun 1. the record made by a hygrograph. hygrogram (hī’grə-grām’) The permanent record made by a hygrograph.
[hahy-gruh-graf, -grahf] /ˈhaɪ grəˌgræf, -ˌgrɑf/ noun 1. a self-recording hygrometer. /ˈhaɪɡrəˌɡrɑːf; -ˌɡræf/ noun 1. an automatic hygrometer that produces a graphic record of the humidity of the air hygrograph (hī’grə-grāf’) A hygrometer that records variations in atmospheric humidity.
/haɪˈɡrəʊmə/ noun 1. (pathol) a swelling in the soft tissue that occurs over a joint, usually caused by repeated injury hygroma hy·gro·ma (hī-grō’mə) n. pl. hy·gro·mas or hy·gro·ma·ta (-mə-tə) A cystic swelling containing a serous fluid. Also called hydroma.