1718, "that which alternates (with anything else)," from alternate (adj.). Meaning "a substitute" is first attested 1848.

1510s, from Latin alternatus "one after the other," past participle of alternare "to do first one thing then the other; exchange parts," from alternus "one after the other, al [..]

1590s, from Latin alternatus, past participle of alternare (see alternate (adj.)). Replaced Middle English alternen "to vary, alternate" (early 15c.). Related: Alternated; alternating.

to switch back and forth.

Arrangement of leaves one per node, on either side of a stem. amendment:

An Alternate is leaves, buds or shoots that occur at the node of the plant.

 Horticulturally speaking, alternate refers to leaves that are arranged on the stem in alternating fashion.

Refers to the leaf arrangement; leaves arranged alternately from each other along the stem

leaf arrangement an arrangement of leaves in alternate step along the stem with only one leaf at each node; also called spiral leaf arrangement

Leaves, shoots or a single bud that occur at the plant node.

Said of leaf scars or leaves occurring one at each node. Altissima

one leaf per node

stamens alternate with the petals

Any arrangement of leaves not opposite or whorled; placed singly at different heights on the stem.

 Arrangement of leaves one per node, on either side of a stem.

n. One chosen to act in place of another, in case of the absence or incapacity of that other.

To change between ie. change (alternate) arms

alternate (pop)

1 : occurring or succeeding by turns 2 : being an alternative [ juror]

[Leaf arrangement] -- Of leaves or other lateral organs, borne singly at different heights on the axis, when used to describe leaf insertion, often vague and including the more precise spiral and dist [..]

(n) someone who takes the place of another person(v) go back and forth; swing back and forth between two states or conditions(v) exchange people temporarily to fulfill certain jobs and functions(v) be [..]

Airport indicated on a flight plan where it is possible to divert the aircraft from its scheduled destination (in case of bad weather or any other major situation).

A variant of a cache object. This was originally created to handle the VARY mechanism but has since been used for additional purposes. All alternates of an object must be equivalent in some manner, that is they are alternate forms of the same stream. The most common example is having normal and compressed versions of the stream.

Terms used of leaves or buds of broad-leaved trees that arise first on one side of a twig, then on the other.

Also called "Alternate Starter." The car that just missed a transfer spot to the main event. In case a car that already qualified for the main event fails to start, the alternate can join the field and start the race.

Arrangement of leaves which arise singly on a stem, each one on the other side of the stem from the leaf below or above it.

A registered, non-playing member of the team who is eligible to substitute for one of the competing players.

switch; go back and forth between

Leaves appear singly at each node as in greenbriar or prostrate knotweed.

Cause to occur or appear one after the other. (18 Nov 1997)

Airport indicated on a flight plan where it is possible to divert the aircraft from its scheduled destination (in case of bad weather or any other major situation).

A flight offered in lieu of a flight that is not available, either because the desired flight was full or not operating.

A node bears only 1 similar organ, such as a leaf or flower (compare with opposite, whorled).

Being or succeeding by turns; one following the other in succession of time or place; by turns first one and then the other; hence, reciprocal. ''And bid alternate passions fall and rise''. - (m [..]

A person appointed to act on behalf of an owner (e.g. liquidator, property guardian).