Meaning & Definition of word "Cos"

Cos

/kɔːz/

1. The trigonometric function cosine, which relates the angle of a right triangle to the ratio of the length of the adjacent side to the hypotenuse.
- Example: To calculate the adjacent side in a right triangle, you can use the cosine of the angle.
2. In mathematics, especially in trigonometry and geometry, 'cos' is often abbreviated from 'cosine'.
- Example: The value of cos(60 degrees) is 0.5.

1. A colloquial abbreviation for 'because', commonly used in informal contexts.
- Example: I couldn't go to the party, cos I was busy studying.
2. Used in casual speech to provide a reason or explanation.
- Example: She won't join us for dinner, cos she's on a diet.
3. An expression to give justification.
- Example: He said he'd be late, cos he missed the bus.

Abbreviation of 'because', used in informal contexts.

cos I love you:

indicating that the speaker loves someone as a reason for an action.

just cos:

meaning 'just because', often used to imply there is no particular reason.

cos of:

indicating the reason or cause of something.

because:

a conjunction used to introduce a clause explaining the reason for something.

since:

used when referring to a point in the past.

as:

used to indicate comparison or cause.

Meaning: To express agreement or justification informally.

Example Sentence: I'm going to skip class, cos it’s not important.

Meaning: Indicating a casual or simplified reasoning.

Example Sentence: He said no, cos he was busy.