key in
- noun
- The teacher required each student to submit their project by key in the results online.
Examples
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She will key in the data tomorrow.
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Please key in your password.
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A single incorrect key in caused the system to reject the whole batch of forms.
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Each key in must be double-checked to avoid mistakes in the database.
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The training included a practice key in to help new employees learn the software.
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When you key in your password, make sure it is correct to avoid being locked out.
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You can key in your answers on the digital form provided for the survey.
Synonyms
Putting information into a computer using a keyboard or mouse
Writing words on a keyboard or typewriter
How Automated
Surface Forms
Morphology
The sense 'an act of entering data by typing' is directly derivable from combining 'key' (the pressable lever/keys on a keyboard, extended to the action of pressing them) with 'in' (into a system). The motion/placement sense of 'in' plus the obvious association of 'key' with keyboard actions makes the meaning transparent and easily inferable to a B1 learner who knows the constituents.
Etymology
The noun key in names one act of typing, like a single time you press a key to put data in a system. So a 'key in' is one instance of entering information by typing.