定てい員いん

て

い

ん

Common wordJLPTN3Freq.FrequencyTop 10,000

Meanings

fixed number of people; quota; prescribed complement

Refers to an officially set number of people for an organization, position, or group, such as staff, students, or committee members.

Used for the maximum number of people a vehicle, room, or venue can hold, often for safety or regulation.

〈場ば所しょ〉の定てい員いんは〈数かず〉人にんですthe capacity of 〈place〉 is 〈number〉 people
このホールの定てい員いんは300人にんです。
This hall's capacity is 300 people.
定員ていいんに達たっするto reach the (maximum) quota/capacity
その講こう座ざはすぐに定てい員いんに達たっした。
The course quickly reached its quota of participants.
定てい員いんを超こえるto exceed the capacity/quota
エレベーターの定てい員いんを超こえると警けい報ほうが鳴なる。
An alarm sounds if the elevator's capacity is exceeded.
定てい員いんに空あきがあるthere are still open spots within the quota
この学がく部ぶはまだ定てい員いんに空あきがある。
This department still has open spots within its quota.

定てい員いんになり次し第だいas soon as capacity is reached; once the maximum number of participants is reached

定てい数すう sense 1
定員 refers to the official quota of people allowed in a group or vehicle, while 定数 is a broader term for any fixed number, often used in math or for objects.
収しゅう容よう能のう力りょく sense 2
定員 is the specific numeric capacity set for a vehicle or venue, whereas 収容能力 is the more general concept of how much a place can accommodate.
員いん数ずう
定員 refers to a fixed capacity or maximum allowed number of people, while 員数 can refer to either the actual count present or the required count of people or items.

人にん数ずうN3sense 1
定員 is the fixed maximum number allowed, while 人数 simply means the actual number of people present or involved.
定てい数すう
定数 can refer to any fixed quantity such as a quorum of people or things, while 定員 specifically means the fixed capacity or maximum number of people allowed.

Compound of 定 (fixed, set) and 員 (member, personnel). The meaning 'capacity' developed from the idea of a prescribed number of people allowed.