|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|a chattering or flighty, light-headed person.|
|—suffix forming nouns|
|1.||indicating an action, process, or result: criticism; terrorism|
|2.||indicating a state or condition: paganism|
|3.||indicating a doctrine, system, or body of principles and practices: Leninism; spiritualism|
|4.||indicating behaviour or a characteristic quality: heroism|
|5.||indicating a characteristic usage, esp of a language: colloquialism; Scotticism|
|6.||indicating prejudice on the basis specified: sexism; ageism|
|[from Old French -isme, from Latin -ismus, from Greek -ismos]|
Action, process; practice: vegetarianism.
Characteristic behavior or quality: puerilism.
State; condition; quality: senilism.
State or condition resulting from an excess of something specified: strychninism.
Doctrine; theory; system of principles: Darwinism.