preheat

As a proper noun eco

is (label) (mythology).

As a verb preheat is

to heat something in preparation for further action, especially cooking.

As a verb preheat

is to heat something in preparation for further action, especially cooking.

As a noun convection is

the process of conveying something.

As a verb preheat

is to heat something in preparation for further action, especially cooking.

As a noun warmup is

an alternative spelling of lang=en.

As a noun prehead

is the group of unstressed syllables preceding the head (if present) or nucleus (if there is no head).

As a verb preheat is

to heat something in preparation for further action, especially cooking.