first term (e.g. of sequence); initial term
arithmetic progression; arithmetic sequence
common difference; tolerance (in engineering, manufacturing, etc.); allowance; allowable error
(arch.) court lady with her own private chamber or office; low-class prostitute (Edo period)
scratchcard; scratch ticket; scratch-and-win
old maid (card game); living without one's mother-in-law
hyperesthesia; hypersensitivity
subcontractor; subcontracting company
periodontal disease; gum disease
stuffing a shopping container for a fixed price
shaking (e.g. a container); milkshake; shake
starting pistol; starter pistol
scientific world; world of science; scientific circles; scientific community
inarizushi; sushi wrapped in fried tofu
weakening; emaciation; decline
opening (of a broadcasting station, post office, bureau, etc.); establishment
keema curry; minced-meat curry