로렌슘의 이전 원소 기호 (현재는 Lr로 표기함)
A former chemical symbol for lawrencium, a synthetic radioactive element with atomic number 103.
예문:
"In older textbooks, you might find Lw listed as the symbol for the 103rd element."
"The IUPAC changed the official symbol from Lw to Lr in the early 1960s."
장파 (라디오 방송 등에서 사용하는 긴 파장의 전파)
Abbreviation for long wave, referring to radio frequencies with wavelengths longer than those of the medium wave band.
예문:
"The LW band is often used for maritime communication due to its long range."
"Check if your vintage radio supports LW frequency reception."