not directly known or experienced; obtained from others or from books:
Most of our knowledge is secondhand.
previously used or owned:
dealing in previously used goods:
a secondhand bookseller.
after another user or owner:
He bought it secondhand.
indirectly; at second hand:
He heard the news secondhand.
noun 1. the hand that indicates the seconds on a clock or watch. 2. an assistant or helper, as to a worker or foreman. Idioms 3. at second hand, from or through an intermediate source or means; secondhand: She had the news at second hand. adjective 1. previously owned or used 2. not from an […]
noun 1. smoke from a cigarette, cigar, or pipe that is involuntarily inhaled, especially by nonsmokers. secondhand smoke sec·ond·hand smoke (sěk’ənd-hānd’) n. Cigarette, cigar, or pipe smoke that is inhaled unintentionally by nonsmokers and may be injurious to their health if inhaled regularly over a long period.
- Second heart sound
second heart sound n. The heart sound that signifies the beginning of diastole and is caused by closure of the semilunar valves.
noun 1. an additional residence, as at the shore or in the country, where one goes on weekends, vacations, and the like. 2. another residence, as of a close relative or friend, where one spends a great deal of time or feels welcome and at home: Aunt Sue’s house was my second home. 3. any […]