Back-up vs. Backup. Does backup have a hyphen? Is backup one word? Learn how to spell backup with definitions and sentence examples at Writing Explained.

The meaning of BACKUP is one that serves as a substitute or support. How to use backup in a sentence.

When you need a verb, use the two-word phrasal verb back up. For example, when an American football team needs a player to back up their aging quarterback, they might trade for a good backup. Below, backup is a noun in the first and third examples, and it’s …

When a word is being used as a noun, you can place the words “a,” “an,” or “the” in front of it: for example, “a backup of water, "the backup of water." If the word is being used as a noun, it is usually spelled “backup.” Definition:

Best practices include backing up data online and keeping an on-site backup on a secure external drive. The facility also had no back-up electricity, the report said. Researchers now know why …

We're going to need some professional backup for this project. The party is going to be outdoors, so we'll need to organize somewhere as a backup in case it rains. Remember, your colleagues …

Mar 28, 2024 · As a noun and adjective, backup generally refers to supplementary or emergency resources, whereas back up is predominantly used as a verb phrase to describe actions such as providing support or creating copies of data.

Jul 16, 2023 · 'Back up' is a verb spelled as two words and means to reverse or move back in position. There is much more to learn about these two terms, though. This guide contains definitions, examples, and usage tips to help you better understand the differences and how to use them accurately.

Aug 26, 2024 · Use “backup” as a noun or adjective when referring to a saved copy or a secondary option. Use “back up” as a verb when describing the action of creating a copy or moving backward. Understanding the distinction ensures your communication is clear and precise, whether you’re discussing data protection or simply reversing your car.

Oct 7, 2024 · Backup is a noun spelled as a single word, while back up is a verb spelled as 2 words. Failover is a noun spelled as a single word,...

Jan 21, 2025 · Deverbal from back up. backup (plural backups) A reserve or substitute. If the goalkeeper is injured, we have a backup. (computing) A copy of a file or record, stored separately from the original, that can be used to recover the original if it is damaged or destroyed. After the power failure, we had to restore the database from backup.

Both "back up" and "backup" are correct, but they are used in different contexts. "Back up" is a phrasal verb meaning to move backward or to support, while "backup" is a noun or adjective referring to a reserve or support. The choice between the two depends on whether you are using it as a verb or a noun/adjective.

May 19, 2016 · To “back up” is an activity; “back up your computer regularly”; “back up the truck to the garden plot and unload the compost.” A “backup” is a thing: “keep your backup copies in a safe place.” Other examples: a traffic backup, sewage backup, backup plan, backup forces.

The phrasal verb is spelled as two words, with no hyphen: back up. Have you backed up your data today? The noun and adjective are spelled as one word, with no hyphen: backup. Habib has agreed to be my backup at tomorrow’s meeting. My hard disk crashed and I had no backup disk.

Sep 11, 2023 · To me, back up is a verb and backup is a noun. - Back up your files frequently. - Keep your backups in a safe place.

BACKUP definition: 1. extra help, support, or equipment that is available if you need it: 2. an extra copy of…. Learn more.

Mar 15, 2013 · Did you backup that data or did you back up that data? While both “back up” and “backup” are vocalized exactly the same way, it is important to make the distinction when you are writing them down.

“Backup” as a single a word with no space or hyphen can be used either as an adjective (When Johnson got knocked out, the coach put in his backup quarterback.) or as a noun (Noticing that the license plate matched that of a stolen vehicle, the policeman called for backup.).

There are 14 meanings listed in OED's entry for the word backup. See ‘Meaning & use’ for definitions, usage, and quotation evidence. This word is used in North American English. How common is the word backup? How is the word backup pronounced? Where does the word backup come from? The earliest known use of the word backup is in the 1870s.

Jan 24, 2014 · As one word, backup, it serves as a noun or adjective: My backup of my files is stored in a secure location. (noun) I have backup copies of my writing in multiple locations. (adjective) However, if you want to use this term as a verb, you need to use the two-word form, back up: Careful writers back up their files frequently. (verb)

Mar 6, 2025 · You can still back up to an external hard drive in Windows, using older built-in tools, but the process varies in Windows 10 and 11. On Windows 10. Plug in your USB drive, then click Start > Settings > Update & Security > Files backup. Under Back up using File History, click Add a drive, and select your USB drive.

Mar 19, 2025 · Part 3 The Backup Plan; Part 4 Blue Creek; Part 5 ... delivered the worst dry spell in the Klamath’s recorded history. All along the river’s banks, forests turned brown and wildfires sprang up

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