to unite formally, as by treaty, league, marriage, or the like (usually followed by with or to):
Russia allied itself to France.
to associate or connect by some mutual relationship, as resemblance or friendship.
to enter into an ; join; unite.
a person, group, or nation that is associated with another or others for some common cause or purpose:
Canada and the United States were allies in World War II.
Biology. a plant, animal, or other organism bearing an evolutionary relationship to another, often as a member of the same family:
The squash is an ally of the watermelon.
a person who associates or cooperates with another; supporter.
verb (əˈlaɪ) -lies, -lying, -lied usually foll by to or with
to unite or be united, esp formally, as by treaty, confederation, or marriage
(transitive; usually passive) to connect or be related, as through being similar or compatible
noun (ˈælaɪ; əˈlaɪ) (pl) -lies
a country, person, or group allied with another
a plant, animal, substance, etc, closely related to another in characteristics or form
late 13c., “to join in marriage,” from Old French alier “combine, unite,” from a differentiated stem of aliier (from Latin alligare “bind to;” see alloy). Meaning “to form an alliance, join, associate” is late 14c. Related: allied; allying.
late 14c., “relative, kinsman,” from ally (v.); mid-15c. in the sense of “one united with another by treaty or league.”
to unite formally, as by treaty, league, marriage, or the like (usually followed by with or to): Russia allied itself to France. to associate or connect by some mutual relationship, as resemblance or friendship. to enter into an ; join; unite. a person, group, or nation that is associated with another or others for some […]
containing the . the . Historical Examples May not its synchronism with the waves of light in the present instance be the cause of its divorce from the allyl? Fragments of science, V. 1-2 John Tyndall It has since been obtained, in a separate state, by the action of sodium upon iodide of allyl. Cooley’s […]
- Allyl alcohol
a colorless liquid, C 3 H 6 O, having a pungent, mustardlike odor irritating to the skin and mucous membranes, usually obtained from allyl chloride by hydrolysis: used chiefly in organic synthesis in the manufacture of resins, plasticizers, and pharmaceuticals. noun a colourless pungent poisonous liquid used in the manufacture of resins, plasticizers, and other […]
- Allyl caproate
a colorless to pale yellow liquid, C 9 H 16 O 2 , having a pineapple odor: used chiefly as a scent in the manufacture of flavorings and perfume.
- Allyl chloride
a colorless, volatile, flammable liquid, C 3 H 5 Cl, having a pungent odor, derived from propylene by chlorination: used chiefly in the synthesis of allyl alcohol, resins, and pharmaceuticals.