Mold vs. Mole — What's the Difference?

A mold (US) or mould (UK, NZ, AU, ZA, IN, CA, IE) is a fungus that grows in the form of multicellular filaments called hyphae. In contrast, fungi that can adopt a single-celled growth habit are called yeasts.

A small burrowing mammal with dark velvety fur, a long muzzle, and very small eyes, feeding mainly on worms, grubs, and other invertebrates.

A town in north-eastern Wales, administrative centre of Flintshire; population 10,500 (est. 2009).

A spy who gradually achieves an important position within the security defences of a country

A hollow form or matrix for shaping a fluid or plastic substance.

A small, often slightly raised blemish on the skin made dark by a high concentration of melanin

A frame or model around or on which something is formed or shaped.

A large solid structure on a shore serving as a pier, breakwater, or causeway.

Something that is made in or shaped on a mold.

The SI unit of amount of substance, equal to the quantity containing as many elementary units as there are atoms in 0.012 kg of carbon-12.

The shape or pattern of a mold.

An abnormal mass of tissue in the uterus.

General shape or form

A highly spiced Mexican sauce made chiefly from chilli peppers and chocolate, served with meat.

Distinctive character or type

A skin lesion, commonly a nevus, that is typically raised and discolored.

A fixed or restrictive pattern or form

Any of various small insectivorous mammals of the family Talpidae of North America and Eurasia, usually living underground and having a thickset body with light brown to dark gray silky fur, strong forefeet for burrowing, and often rudimentary eyes.

(Architecture) See molding.

A machine that bores through hard surfaces, used especially for tunneling through rock.

Any of various filamentous fungi that grow on and contribute to the decay of organic matter.

A spy who operates from within an organization, especially a double agent operating against that agent's own government from within its intelligence establishment.

A growth of such fungi.

A massive, usually stone wall constructed in the sea, used as a breakwater and built to enclose or protect an anchorage or a harbor.

Any of various other saprophytic or parasitic organisms that resemble fungi, such as slime molds or water molds.

The anchorage or harbor enclosed by a mole.

Loose friable soil, rich in humus and fit for planting.

A fleshy abnormal mass formed in the uterus by the degeneration or abortive development of an ovum.

The earth; the ground.

In the International System, the base unit used in representing an amount of a substance, equal to the amount of that substance that contains as many atoms, molecules, ions, or other elementary units as the number of atoms in 0.012 kilogram of carbon-12. The number is 6.0221 × 1023, or Avogadro's number. See Table at measurement.

The earth of the grave.

A pigmented spot on the skin, a naevus, slightly raised, and sometimes hairy.

(Archaic) Earth as the substance of the human body.

Any of several small, burrowing insectivores of the family Talpidae; also any of southern African mammals in the family Chrysochloridae (golden moles) and any of several Australian mammals in the family Notoryctidae (marsupial moles), similar to but not closely related to Talpidae moles

To form (something) out of a fluid or plastic material

Any of the burrowing rodents also called mole-rats.

To form into a particular shape; give shape to

(espionage) An internal spy, a person who involves himself or herself with an enemy organisation, especially an intelligence or governmental organisation, to determine and betray its secrets from within.

To guide or determine the growth or development of; influence

A kind of self-propelled excavator used to form underground drains, or to clear underground pipelines

To fit closely by following the contours of (the body). Used of clothing.

A type of underground drain used in farm fields, in which a mole plow creates an unlined channel through clay subsoil.

To assume a certain shape

A moll, a bitch, a slut.

To become moldy.

(nautical) A massive structure, usually of stone, used as a pier, breakwater or junction between places separated by water.

A hollow form or matrix for shaping a fluid or plastic substance.

(rare) A haven or harbour, protected with such a breakwater.

A frame or model around or on which something is formed or shaped.

(historical) An Ancient Roman mausoleum.

Something that is made in or shaped on a mold.

In the International System of Units, the base unit of amount of substance; the amount of substance of a system which contains exactly 6.02214076×10²³ elementary entities (atoms, ions, molecules, etc.). Symbol: mol. The number of atoms is known as Avogadro’s number. from 1897

The shape or pattern of a mold.

A hemorrhagic mass of tissue in the uterus caused by a dead ovum.

General shape or form.

One of several spicy sauces typical of the cuisine of Mexico and neighboring Central America, especially a sauce which contains chocolate and which is used in cooking main dishes, not desserts.

Distinctive character or type.

A spot; a stain; a mark which discolors or disfigures.

A fixed or restrictive pattern or form.

A spot, mark, or small permanent protuberance on the human body; esp., a spot which is dark-colored, from which commonly issue one or more hairs.

(architecture) A group of moldings.

A mass of fleshy or other more or less solid matter generated in the uterus.

(anatomy) A fontanelle.

A mound or massive work formed of masonry or large stones, etc., laid in the sea, often extended either in a right line or an arc of a circle before a port which it serves to defend from the violence of the waves, thus protecting ships in a harbor; also, sometimes, the harbor itself.

A natural substance in the form of a woolly or furry growth of tiny fungi that appears when organic material lies for a long time exposed to (usually warm and moist) air.

Any insectivore of the family Talpidæ. They have minute eyes and ears, soft fur, and very large and strong fore feet.

A fungus that creates such colored, furry growths.

A plow of peculiar construction, for forming underground drains.

Loose friable soil, rich in humus and fit for planting.

A spy who lives for years an apparently normal life (to establish a cover) before beginning his spying activities.

Earth, ground.

A quantity of a substance equal to the molecular weight of a substance expressed in grams; a gram molecule; the basic unit of amount of substance adopted under the System International d'Unites; as, he added two moles of sodium chloride to the medium.

The top or crown of the head.

To form holes in, as a mole; to burrow; to excavate; as, to mole the earth.

(transitive) To shape in or on a mold; to form into a particular shape; to give shape to.

To clear of molehills.

(transitive) To guide or determine the growth or development of; influence

The molecular weight of a substance expressed in grams; the basic unit of amount of substance adopted under the Systeme International d'Unites

(transitive) To fit closely by following the contours of.

A spy who works against enemy espionage

(transitive) To make a mold of or from (molten metal, for example) before casting.

Spicy sauce often containing chocolate

(transitive) To ornament with moldings.

A small congenital pigmented spot on the skin

(intransitive) To be shaped in or as if in a mold.

A protective structure of stone or concrete; extends from shore into the water to prevent a beach from washing away

(transitive) To cause to become moldy; to cause mold to grow upon.

Small velvety-furred burrowing mammal having small eyes and fossorial forefeet

(intransitive) To become moldy; to be covered or filled, in whole or in part, with a mold.

To cover with mold or soil.

A spot; a blemish; a mole.

Crumbling, soft, friable earth; esp., earth containing the remains or constituents of organic matter, and suited to the growth of plants; soil.

Earthy material; the matter of which anything is formed; composing substance; material.

A growth of minute fungi of various kinds, esp. those of the great groups Hyphomycetes, and Physomycetes, forming on damp or decaying organic matter.

The matrix, or cavity, in which anything is shaped, and from which it takes its form; also, the body or mass containing the cavity; as, a sand mold; a jelly mold.

That on which, or in accordance with which, anything is modeled or formed; anything which serves to regulate the size, form, etc., as the pattern or templet used by a shipbuilder, carpenter, or mason.

Cast; form; shape; character.

A group of moldings; as, the arch mold of a porch or doorway; the pier mold of a Gothic pier, meaning the whole profile, section, or combination of parts.

A fontanel.

A frame with a wire cloth bottom, on which the pump is drained to form a sheet, in making paper by hand.

To cover with mold or soil.

To cause to become moldy; to cause mold to grow upon.

To become moldy; to be covered or filled, in whole or in part, with a mold.

To form into a particular shape; to shape; to model; to fashion.

To ornament by molding or carving the material of; as, a molded window jamb.

To knead; as, to mold dough or bread.

To form a mold of, as in sand, in which a casting may be made.

The distinctive form in which a thing is made;

Container into which liquid is poured to create a given shape when it hardens

Loose soil rich in organic matter

The process of becoming mildewed

A fungus that produces a superficial growth on various kinds of damp or decaying organic matter

Sculpture produced by molding

Form in clay, wax, etc;

Become moldy; spoil due to humidity;

Form by pouring (e.g., wax or hot metal) into a cast or mold;

Make something, usually for a specific function;

Fit tightly, follow the contours of;

Shape or influence; give direction to;