The difference between Flash and Gleam

Flash as a verb:

To briefly illuminate a scene.

Flash as a verb:

To blink; to shine or illuminate intermittently.

Flash as a verb:

To be visible briefly.

Flash as a verb:

To make visible briefly.

Flash as a verb (ambitransitive, informal):

To briefly, and in most cases inadvertently, expose one's naked body or underwear, or part of it, in public.

Flash as a verb (transitive, informal):

To show or expose an "inappropriate" part of the body to someone for humorous reasons or as an act of contempt.

Flash as a verb (figurative):

To break forth like a sudden flood of light; to show a momentary brilliance.

Flash as a verb:

To flaunt; to display in a showy manner.

Flash as a verb:

To communicate quickly.

Flash as a verb:

To move, or cause to move, suddenly.

Flash as a verb (transitive):

To telephone a person, only allowing the phone to ring once, in order to request a call back.

Flash as a verb (intransitive, of liquid):

To evaporate suddenly. .}}

Flash as a verb (transitive, climbing):

To climb (a route) successfully on the first attempt.

Flash as a verb (computing):

To write to the memory of an updatable component such as a BIOS chip or games cartridge.

Flash as a verb (glassmaking):

To cover with a thin layer, as objects of glass with glass of a different colour.

Flash as a verb ([[juggling]]):

To perform a .

Flash as a verb ([[metallurgy]]):

To release the pressure from a pressurized vessel.

Flash as a verb (transitive, obsolete):

To trick up in a showy manner.

Flash as a verb (transitive, obsolete):

To strike and throw up large bodies of water from the surface; to splash.

Flash as a noun:

A sudden, short, temporary burst of light.

Flash as a noun:

A very short amount of time.

Flash as a noun (colloquial, US):

A flashlight; an electric torch.

Flash as a noun (figuratively):

A sudden and brilliant burst, as of genius or wit.

Flash as a noun:

Material left around the edge of a moulded part at the parting line of the mould.

Flash as a noun (Britain, Cockney):

The strips of bright cloth or buttons worn around the collars of market traders.

Flash as a noun (juggling):

A pattern where each prop is thrown and caught only once.

Flash as a noun (linguistics):

A language, created by a minority to maintain cultural identity, that cannot be understood by the ruling class.

Flash as a noun (photography):

Flash as a noun (archaic):

A preparation of capsicum, burnt sugar, etc., for colouring liquor to make it look stronger.

Flash as a noun (military):

A form of military insignia.

Flash as an adjective (British, _, and, _, New Zealand, slang):

Expensive-looking and demanding attention; stylish; showy.

Flash as an adjective (UK, of a person):

Having plenty of ready money.

Flash as an adjective (UK, of a person):

Liable to show off expensive possessions or money.

Flash as an adjective (US, slang):

Occurring very rapidly, almost instantaneously.

Flash as a noun:

A pool.

Flash as a noun (engineering):

A reservoir and sluiceway beside a navigable stream, just above a shoal, so that the stream may pour in water as boats pass, and thus bear them over the shoal.

Gleam as a noun:

a small or indistinct shaft or stream of light.

Gleam as a noun:

a glimpse or hint; an indistinct sign of something.

Gleam as a noun:

brightness or shininess; splendor.

Gleam as a verb:

To shine; to glitter; to glisten.

Gleam as a verb:

To be briefly but strongly apparent.

Gleam as a verb (obsolete, falconry):

To disgorge filth, as a hawk.