1806; see section (n.) + -al (1). Noun meaning "piece of furniture composed of sections which can be used separately" is attested by 1961, from sectional seat, sectional sofa, etc. (1949).
例文
1. the sectional interests of managers and workers
経営陣と広範な労働者の異なる利益
2.Perhaps the opposed parties will lay aside their sectional interests and rise to this chalenge.
各反対党は派閥の利益を抜きにして、この挑戦を迎えるかもしれない。
3.He criticized the selfish attitude of certain sectional interests.
彼は特定の利益団体の利己的な態度を批判した。
4.The resistance is halved if the cross- sectional area is doubled.
断面積が2倍になると、抵抗は半分に減少する。
5.The cross- sectional areas of the pore openings vary along their length.