initialism

As a noun initialism

is a term formed from the initial letter or letters of several words or parts of words, but which is itself pronounced letter by letter.

As an initialism mob is

(nautical) m'an '''o'''ver ' b oard, used eg on the emergency button of a satellite navigator by pushing the button the operator stores the coordinates of a man overboard incident for easy access.

As nouns the difference between initialism and warship

is that initialism is a term formed from the initial letter or letters of several words or parts of words, but which is itself pronounced letter by letter while warship is any ship built or armed for naval combat.

As nouns the difference between initialism and chloroformate

is that initialism is a term formed from the initial letter or letters of several words or parts of words, but which is itself pronounced letter by letter while chloroformate is (organic chemistry) any salt or ester of chloroformic acid.

As nouns the difference between ball and initialism

is that ball is while initialism is a term formed from the initial letter or letters of several words or parts of words, but which is itself pronounced letter by letter.

As nouns the difference between initialism and array

is that initialism is a term formed from the initial letter or letters of several words or parts of words, but which is itself pronounced letter by letter while array is clothing and ornamentation.

As a verb array is

to clothe and ornament; to adorn or attire.

As nouns the difference between grid and initialism

is that grid is (disease|obsolete) gay-related immunodeficiency — former name of aids while initialism is a term formed from the initial letter or letters of several words or parts of words, but which is itself pronounced letter by letter.

As nouns the difference between class and initialism

is that class is (countable) a group, collection, category or set sharing characteristics or attributes while initialism is a term formed from the initial letter or letters of several words or parts of words, but which is itself pronounced letter by letter.

As a verb class

is to assign to a class; to classify.

As an adjective class

is (irish|british|slang) great; fabulous.

As nouns the difference between time and initialism

is that time is while initialism is a term formed from the initial letter or letters of several words or parts of words, but which is itself pronounced letter by letter.

As nouns the difference between talk and initialism

is that talk is talc while initialism is a term formed from the initial letter or letters of several words or parts of words, but which is itself pronounced letter by letter.

As nouns the difference between team and initialism

is that team is team while initialism is a term formed from the initial letter or letters of several words or parts of words, but which is itself pronounced letter by letter.