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asa
[ey-suh] /ˈeɪ sə/ (show ipa), 1810–88, u.s. botanist.
robert, 1755–1806, u.s. explorer and sea captain: discovered the columbia river.
thomas, 1716–71, english poet.
historical examples

the career of asa gray is interesting from many points of view.
garden and forest weekly, volume 1 no. 1, february 29, 1888 various

i can easily get my letter to asa gray copied, but it is too short.
the life and letters of charles darwin, volume i (of ii) charles darwin

asa gray says ducts are very early developed, and it seems to me wonderful that they should pursue this course.
more letters of charles darwin volume ii charles darwin

i heard from asa gray yesterday; he goes on fighting like a trojan.
more letters of charles darwin charles darwin

the first enunciation to this is apparently contained in a letter to asa gray in 1858.
darwin and modern science a.c. seward and others

asa gray adds, however, that it is perhaps the result of naturalization.
origin of cultivated plants alphonse de candolle

but what makes me most object to asa gray’s view is the study of the extreme variability of domestic animals.
more letters of charles darwin charles darwin

asa gray mentions, however, that this species is probably not indigenous.
north america israel c. russell

dr. asa gray has referred to this species as “that most expert of fly-catchers.”
birds and all nature, vol. vi, no. 1, june 1899 various

prof. asa gray tells a story of his boyhood which well ill-strates this.
famous men of science sarah k. bolton

adjective, noun, verb
a variant spelling (now esp us) of grey
noun
the derived si unit of absorbed ionizing radiation dose or kerma equivalent to an absorption per unit m-ss of one joule per kilogram of irradiated material. 1 gray is equivalent to 100 rads gy
noun
thomas. 1716–71, english poet, best known for his elegy written in a country churchyard (1751)
adj.

old english græg (mercian grei), from proto-germanic -grisja- “gray” (cf. old norse grar, old frisian gre, middle dutch gra, dutch graw, old high german grao, german grau), with no certain cognates outside germanic. french gris, spanish gris, italian grigio, medieval latin griseus are germanic loan-words.

the distinction between british grey and u.s. gray developed 20c. the noun is c.1200, from the adjective. gray as figurative for “southern troops in the u.s. civil war” is first recorded 1863, in reference to their uniform color. expression the gray mare is the better horse in reference to households ruled by wives is recorded from 1540s. the verb is 1610s (with an isolated instance from late 14c.). related: grayed; graying.

gray (grā)
n.
abbr. gy
a unit for a specific absorbed dose of radiation equal to 100 rads.

gray (grā), henry. 1825?-1861.

british anatomist whose work anatomy, descriptive and surgical (1858), known as gray’s anatomy, remains a standard text.
gray
(grā)
the si derived unit used to measure the energy absorbed by a substance per unit weight of the substance when exposed to radiation. one gray is equal to one joule per kilogram, or 100 rads. the gray is named after british physicist louis harold gray (1905-1965).

gray area
gray matter

also see:
get gray hair from