alternating
— Adjective
– English
~ (of a current) reversing direction; "alternating current"
alternation
— Noun
– English
~ successive change from one thing or state to another and back again; "a trill is a rapid alternation between the two notes"
alternative
— Adjective
– English
~ necessitating a choice between mutually exclusive possibilities; "alternative possibilities were neutrality or war"
alternative
— Adjective
– English
~ serving or used in place of another; "an alternative plan"
alternative
— Adjective
– English
~ pertaining to unconventional choices; "an alternative life style"
alternative
— Noun
– English
~ one of a number of things from which only one can be chosen; "what option did I have?"; "there is no other alternative"; "my only choice is to refuse"
alternatively
— Adverb
– English
~ in place of, or as an alternative to; "Felix became a herpetologist instead"; "alternatively we could buy a used car"
altimeter
— Noun
– English
~ an instrument that measures the height above ground; used in navigation
Ailanthus altissima
— Noun
– English
~ deciduous rapidly growing tree of China with foliage like sumac and sweetish fetid flowers; widely planted in United States as a street tree because of its resistance to pollution
Ageratina altissima
— Noun
– English
~ American herb having flat-topped clusters of small white flower heads; reputedly a cause of trembles and milk sickness; sometimes placed in genus Eupatorium