alternate

alternate

CEFR: C1-C2 /al-ter-nate/ [ao1.l.t.er0.n.ah0.t]

1. When you alternate (between) A and B, you keep using A then B. (In this case, the verb "alternate " is used as a transitive verb)

Here are example sentences:

Example Sentences:
To make the appetizer, you should alternate layers of tomatoes and cheese.
Farmers began to alternate the cultivation of grains and pulses, such as lentils and peas, to maintain fertility.
He alternates between riding his bike and taking the bus to work.
Some disease-carrying mosquito species alternate between biting animals and humans.
Crop rotation can improve soil structure and fertility by alternating deep-rooted and shallow-rooted plants.

2. When A and B alternate or A alternates with B, A regularly occurs after B. (In this case, the verb "alternate " is used as an intransitive verb)

Here are example sentences:

Example Sentences:
The light and dark woods alternate to form an elegant pattern around the window.
Light woods alternate with dark woods to form an elegant pattern around the window.

As a noun, an alternate is a replacement.

Here are example sentences:

Example Sentences:
If you are brought on in a game to be someone’s alternate, you are there to take their turn.
The town has elected five councilors and two alternates.

"Alternate" can also be used as an adjective, meaning different or other. For example:

Example Sentences:
An alternate view of history is one that looks at the past from an uncommon perspective.