Memento vs. Plaque

Mementonoun

A keepsake; an object kept as a reminder of a place or event.

‘I kept the shell as a memento of my visit to the seashore.’;

Plaquenoun

(countable) Any flat, thin piece of clay, ivory, metal, etc., used for ornament, or for painting pictures upon, as a dish, plate, slab, etc., hung upon a wall; also, a smaller decoration worn by a person, such as a brooch.

Mementonoun

A hint, suggestion, token, or memorial, to awaken memory; that which reminds or recalls to memory; a souvenir.

‘Seasonable mementos may be useful.’;

Plaquenoun

(countable) A piece of flat metal with writing on it, attached to a building, monument, or other structure to remind people of a person or an event.

Mementonoun

a reminder of past events

Plaquenoun

A clearing in a bacterial lawn caused by a virus.

Mementonoun

an object kept as a reminder of a person or event

‘you can purchase a memento of your visit’;

Plaquenoun

In the Hornbostel–Sachs classification system: any flat, thin musical instrument.

‘blown plaques’; ‘concussion plaques’;

Plaquenoun

A broad patch of abnormal tissue distinguishable from surrounding tissue, especially a broad irritated]] patch on the skin.

Plaquenoun

An abnormal accumulation of material in or on an organ of the body, often associated with disease.

‘amyloid plaque’; ‘pleural plaque’; ‘senile plaque’;

Plaquenoun

An accumulation in artery walls made up of macrophage cells and debris containing lipids, (cholesterol and fatty acids), calcium, and connective tissue; an atheroma.

Plaquenoun

An accumulation of biofilm, or bacteria, on teeth.

Plaquenoun

Any flat, thin piece of metal, clay, ivory, or the like, used for ornament, or for painting pictures upon, as a slab, plate, dish, or the like, hung upon a wall; also, a smaller decoration worn on the person, as a brooch.

Plaquenoun

(pathology) a small abnormal patch on or inside the body

Plaquenoun

a memorial made of brass

Plaquenoun

an ornamental tablet, typically of metal, porcelain, or wood, that is fixed to a wall or other surface in commemoration of a person or event.

Plaquenoun

a sticky deposit on teeth in which bacteria proliferate

‘plaque around gum margins can lead to gingivitis’;

Plaquenoun

a small, distinct, typically raised patch or region on or within the body resulting from local damage or deposition of material, such as a fatty deposit on an artery wall in atherosclerosis or a site of localized damage of brain tissue in Alzheimer's disease.

Plaquenoun

a clear area in a cell culture caused by the inhibition of growth or destruction of cells by an agent such as a virus.

Plaquenoun

a flat counter used in gambling.