Diaphragm vs Film - What's the difference?

As nouns the difference between diaphragm and film

is that diaphragm is in mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs; also called thoracic diaphragm while film is a thin layer of some substance; a pellicle; a membranous covering, causing opacity.

As verbs the difference between diaphragm and film

is that diaphragm is to reduce lens aperture using an optical diaphragm while film is to record a motion picture on photographic film.

diaphragm

English

Noun

(en noun)

(anatomy) In mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs; also called thoracic diaphragm.

(anatomy) Any of various membranes or sheets of muscle or ligament which separate one cavity from another.

A contraceptive device consisting of a flexible cup, used to cover the cervix during intercourse.

(mechanics) A flexible membrane separating two chambers and fixed around its periphery that distends into one or other chamber as the difference in the pressure in the chambers varies.

(acoustics) In a speaker, the thin, semi-rigid membrane which vibrates to produce sound.

(optics, photography) A thin opaque structure with a central aperture, used to limit the passage of light into a camera or similar device.

(chemistry) A permeable or semipermeable membrane

* {{quote-book, 1921, Wilder Dwight Bancroft, Applied Colloid Chemistry: General Theory citation

, passage=The mass of liquid transported through a porous diaphragm in a given time is directly proportional to the current. }}

(construction) A floor slab, metal wall panel, roof panel or the like, havig a sufficiently large in-plane shear stiffness and sufficient strength to transmit horizontal forces to resisting systems.

Image:Diaphragm.jpg, The thoracic diaphragm . Image:Contraception diaphragme.jpg, A contraceptive diaphragm . Image:Seal (diaphragm).png, A mechanical diaphragm . Image:X5 Paper Pulp Cone.jpg, An acoustic diaphragm .

Derived terms

(Derived terms) * diaphragmal * diaphragmic * diaphragmatic * diaphragmatically * interdiaphragm * diaphragm arch * diaphragm pump * diaphragm seal * diaphragm shutter * diaphragm valve * iris diaphragm

Verb

(en verb)

(optics, photography) To reduce lens aperture using an optical diaphragm.

* {{quote-book, 1870, D. Appleton & Co., Appletons' Annual Cyclopædia and Register of Important Events of the Year 1869 citation

, passage=He employs an equatorial with an object-glass having a focal length of five metres, and which was diaphragmed down to eight centimetres.}}

To act as a diaphragm, for example by vibrating.

* {{quote-book, 1996, Tom Drozda et al., Tool and Manufacturing Engineers Handbook, vol. VIII: Plastic Part Manufacturing citation

, passage=The holes and burning are caused by the part diaphragming at 20000-40000 cycles/second.}}

film

English

(wikipedia film)

Noun

(en noun)

A thin layer of some substance; a pellicle; a membranous covering, causing opacity.

a clear plastic film for wrapping food

* Alexander Pope

He from thick films shall purge the visual ray.

(photography) A medium used to capture images in a camera.

A motion picture.

A slender thread, such as that of a cobweb.

* Shakespeare

Her whip of cricket's bone, the lash of film .

Synonyms

* (motion picture) movie

Derived terms

* filmic * filmmaker * filmmaking * filmography * filmology * filmy * on film

Verb

(en verb)

To record a motion picture on photographic film

"A Hollywood studio was filming on-location in NYC."

To cover with a thin skin or pellicle.

It will but skin and film the ulcerous place.

Descendants

* Japanese: * Lao: * Thai:

Anagrams

* 1000 English basic words ----