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indefinite
UK
/ɪnˈdɛfɪnət/
US
/ɪnˈdɛfɪnɪt/
Library
A soft iron body across the ends of a horseshoe magnet, to enable the magnet to retain its magnetism an indefinite time.
physics
неопределённое время
Период, для которого не указаны точный срок или продолжительность.
Electricity for Boys
"Electricity for Boys" by James Slough Zerbe is a practical guide written in the early 20th century. This work falls within the category of educational publications aimed at teaching young boys the fundamental concepts and applications of electricity through hands-on experiments. It emphasizes the importance of practical experience and experimentation over theoretical knowledge alone. The beginning of the text introduces the fascinating world of electricity, stressing the value of learning through practical application while experimenting with various tools and techniques. Zerbe explains that electricity can be understood better when boys engage directly with the material rather than through rote memorization of its principles. He lays out the book's fundamental approach to education, which involves experimenting, building, and discovering the principles that govern electrical phenomena. This foundational philosophy sets the stage for the more detailed chapters on specific electrical concepts and devices, reflecting a broader goal of fostering critical thinking and hands-on learning among young readers.
There remained two growing girls; a shy midget of eight; John, tall, awkward, and eighteen; Jim, younger, quicker, and better looking; and two babies of indefinite age.
general
неопределённого возраста
Имеющий неизвестный или точно не установленный возраст.
The Souls of Black Folk
"The Souls of Black Folk" by W. E. B. Du Bois is a collection of essays published in 1903. This groundbreaking work explores the African-American experience through personal observations and social analysis. Du Bois introduces influential concepts like "double consciousness"—the experience of viewing oneself through both one's own eyes and those of a prejudiced society—and "the veil" that separates black and white Americans. Through essays on education, freedom, and justice, he examines the color line dividing races and argues for voting rights, quality education, and equal treatment.
Any man might well have hesitated to assume charge of such a work, with vast responsibilities, indefinite powers, and limited resources.
government
неопределённые полномочия
Полномочия, границы которых чётко не определены.
The Souls of Black Folk
"The Souls of Black Folk" by W. E. B. Du Bois is a collection of essays published in 1903. This groundbreaking work explores the African-American experience through personal observations and social analysis. Du Bois introduces influential concepts like "double consciousness"—the experience of viewing oneself through both one's own eyes and those of a prejudiced society—and "the veil" that separates black and white Americans. Through essays on education, freedom, and justice, he examines the color line dividing races and argues for voting rights, quality education, and equal treatment.