Physics Units

adjective a word that describes or modifies a noun. In this case, 'in' can be used as part of a prepositional phrase to describe the location of something.

adverb a word that modifies or describes a verb, adjective, or another adverb. In this case, 'in' can modify a verb to show the manner in which an action is done.

preposition a word that shows the relationship between a noun (or pronoun) and other words in a sentence. In this case, 'in' shows the relationship of location or position.

• The data is stored in the cloud for easy access.
• I left my keys in the car again.
• She's always in the zone when she's playing video games.
• His head is always in the clouds, never paying attention to what's going on around him.

noun a unit of time equal to one sixtieth of a minute

adjective coming after the first in order or sequence

adverb in the second place; secondly

• The second speaker at the conference discussed the importance of renewable energy.
• Can you wait a second? I just need to grab my phone.
• I'll catch you in a hot second, just finishing up here.
• She was second in command, always ready to step up when needed.