Englishfor English speakers
backrest
—
noun
(= back)
a support that you can lean against while sitting
the back of the dental chair was adjustable
adjustment
—
noun
making or becoming suitable; adjusting to circumstances
—
noun
(= alteration)
the act of making something different (as e.g. the size of a garment)
—
noun
the act of adjusting something to match a standard
—
noun
(= allowance)
an amount added or deducted on the basis of qualifying circumstances
an allowance for profit
—
noun
(= adaptation)
the process of adapting to something (such as environmental conditions)