Mulitcomponent lining

A refractory system consisting of two or more layers of different refractory types; for example, castable and ceramic fiber.

Mortar

A refractory material preparation used for laying and bonding refractory bricks.

Monolithic lining

A single-component lining system.

Manifold

A chamber for the collection and distribution of fluid to or from multiple parallel flow paths.

Moisture

The moisture content of a substance is the opposite of its quality. Moisture (M) is defined as the ratio of the mass of the liquid to the total mass of both liquid and vapor.

Mollier diagram

The Mollier diagram can be used to determine various properties of a fluid.

Mollier diagram is an h versus s plot. 

Can only be used when quality is greater than 50% and for superheated steam.

Contains a series of constant temperature, constant pressure, constant moisture content, and constant superheat lines.

Sublimation, Vaporization, Condensation and Fusion or Melting

Sublimation - change of phase from solid to vapor

Vaporization - change of phase from liquid to vapor

Condensation - change of phase from vapor to liquid

Fusion or melting - change of phase from solid to liquid

Mach's Number

It is defined as the square root of the ratio of the inertia force of a flowing fluid to the elastic force.

Mass

The mass (m) of a body is the measure of the amount of material present in that body.

Matrix

A matrix is a rectangular array of numbers enclosed by a pair of brackets.

Mood

Mood is the mode or manner in which the action denoted by the verb is represented

Merchant Services

Merchant services generally refer to merchant accounts allowed to trading

and service establishments for acceptance of payments through credit/

debit cards. The cards may be accepted over the counter through card

terminals i.e. Point of Sale (POS) machines or over phone or through internet.

Mail

Mail is a letter in a physical or electronic form.

Mantissa

The decimal part of a logarithm of a number is called mantissa.

Masculine Gender

A noun that denotes a male animal is said to be of the masculine gender

Material Noun

Nouns which stand for a matter or substance of which things are made

Maths

It is a science of numbers and space.

Micro and Small Enterprises

Micro and Small Enterprises are those enterprises engaged in manufacturing

or rendering services.

A micro enterprise is defined as:

An enterprise engaged in the manufacture or production of goods pertaining

to any industry where the investment in plant and machinery does not

exceed ` 25 lakh

or

An enterprise engaged in rendering services where investment in equipment

does not exceed ` 10 lakh.

A small enterprise is defined as :

An enterprise engaged in manufacture or production of goods pertaining to

any industry where the investment in plant and machinery is more than

` 25 lakh but does not exceed ` 5 crore

or

An enterprise engaged in rendering services where investment in equipment

is more than ` 10 lakh but does not exceed ` 2 crore.

Maturity

Means the date on which a loan or bond or debenture becomes due and is to be paid off i.e., the capital refunded.

Market Price

Means the price determined by the equilibrium between demand and supply in a market period (or very short period).