English to English Dictionary

Open-fire

To begin shooting a weapon, artillery, or firearms against a target.

Open-source

Denoting software or other products whose original code or design is made freely available and may be redistributed and modified.

Open-top

Having no roof or covering; specifically designed or constructed without a top.

Opener

A device or tool used to open something.

Opening

The act of making something accessible or available.

Opening Speech

A formal address delivered at the beginning of a gathering or event.

Opening ceremony

A formal public event or ritual that marks the official beginning of a major celebration, competition, or conference.

Opening-date

The specific calendar date on which a business, public exhibition, event, or facility officially opens to the public.

Openly

In a manner that is open and not concealed.

Openness

The quality of being receptive to new ideas, arguments, or experiences.

Opera

A dramatic work in one or more acts, set to music for singers and instrumentalists.

Operable

Able to be used, worked, or functioning properly.