Meanings

ceremony celebrating the formation of an organization (organisation)

linear equation

opening ceremony

making materials in a library available in open stacks

last-minute

equation with two unknowns

model year (of an automobile, etc.)

proportional expression

day of a ceremony or event

official responsible for court ceremonies

program of a ceremony

equality

ceremony

ceremonial first pitch

step in a Japanese entranceway

(Nara and Heian era) ministry of ceremonies

(feudal era) law code

extreme decline

inequality (expression)

chemical formula