That which opposes or resists attrition. specifically, any compound applied to machinery to resist the effects of friction; as black lead mixed with grease, peroxide of iron, etc.

1. The action or process of rubbing one thing against another; mutual friction.
2. The action or process of rubbing away, wearing or grinding down, by friction.
3. In military applications, the gradual wearing away of morale and the powers of resistance by persistent attacks.
4. In the workplace, the gradual reduction of the size of a workforce by not replacing personnel lost through retirement or resignation.

Detritus derived from the disintegration and decomposition of once-living organisms; further designated as phytodetritus or zoodetritus, depending on whether the original organism was vegetal or animal.

1. Literally, bruised, crushed; worn or broken by rubbing.
2. Crushed or broken in spirit by a sense of sin, and so brought to complete penitence.

1. Literally, the action of rubbing things together, or against each other; grinding, pounding or bruising (so as to comminute or pulverize).
2. The condition of being bruised in heart; sorrow or affliction of mind for some fault or injury done; specifically, penitence for sin.

1. Damage, harm, or disadvantage.
2. Something that causes harm or injury.

Causing harm or damage.

Feeding on fragmented particulate or eating very small pieces, or particles, of organic matter. Feeding on detritus.

Of or pertaining to detritus; consisting of particles worn away from some solid body.

1. That which has been worn or rubbed away.
2. In geology, disintegrated; formed as detritus.

The process of wearing something away by friction.

Feeding on fragmented particulate or eating very small pieces, or particles, of organic matter.

1. Fragmented particulate organic matter, or very small pieces of organic matter, derived from the decomposition of plant and animal remains; organic debris or trash.
2. Debris or discarded material.
3. In geology, matter produced by the detrition or wearing away of exposed surfaces, especially the gravel, sand, clay, or other material eroded and washed away by an aqueous agency; a mass or formation of this nature.
4. In ecology, organic debris formed by the decomposition of plants and animals.

An instrument for crushing stone in the bladder into minute particles which can be passed through the urethra.

Detritus produced by the disintegration and decomposition of vegetable organisms.

Biodetritus produced by the disintegration and decomposition of animal organisms.

1. Worn out by constant use or repetition; devoid of freshness or novelty; hackneyed, commonplace, stale.
2. Well worn; worn out by rubbing; frayed; such as, a road or path that is well-trodden, beaten, or frequented.

The grinding surface of a tooth.