A theoretical construct or device with known input and output characteristics but unknown method of operation.
A flight recorder; the brightly colored cockpit voice recorders and flight data recorders in an aircraft designed to aid in determining the cause of an accident.
A device used in phreaking that prevents the calling party from being billed for the call placed.
A type of theater characterized by a lack of decoration or complex mechanisms.
Any similar device on motor vehicles, such as rail event recorders and ship trip recorders.
To focus on the inputs and outputs without worrying about the internal complexity.
A method or course of action used to achieve some result.
The middle part of three-part polyphonic music; now specifically, the alto part in polyphonic music; an alto instrument.
Something which is intermediate or in the middle; an intermediate value or range of values; a medium.
The average of a set of values, calculated by summing them together and dividing by the number of terms; the arithmetic mean.
Any function of multiple variables that satisfies certain properties and yields a number representative of its arguments; or, the number so yielded; a measure of central tendency.
Either of the two numbers in the middle of a conventionally presented proportion, as 2 and 3 in 1:2=3:6.
Intending to cause harm, successfully or otherwise; bearing ill will towards another.
Low in quality or degree; inferior; poor; shabby.
Having the mean (see noun below) as its value; average.
Disobliging; pettily offensive or unaccommodating.
Ungenerous; stingy; tight-fisted.
Accomplished with great skill; deft; hard to compete with.
Of a common or low origin, grade, or quality; common; humble.
Of little value or worth; worthy of little or no regard; contemptible; despicable.
Powerful; fierce; strong.
Without dignity of mind; destitute of honour; low-minded; spiritless; base.
Difficult, tricky.
To be of some level of importance.
To have as intentions of a given kind.
To intend an ensuing comment or statement as an explanation.https://www.lexico.com/en/definition/i_mean%20I%20mean
To cause or produce (a given result); to bring about (a given result).
Of a word, symbol etc: to have reference to, to signify.
To have conviction in (something said or expressed); to be sincere in (what one says).
Of a person (or animal etc): to intend to express, to imply, to hint at, to allude.
To intend (something) for a given purpose or fate; to predestine.
To intend, to plan (to do); to have as one's intention.
To lament.
To convey (a given sense); to signify, or indicate (an object or idea).