n. 1 a building housing an instrument for projecting the positions of the planets onto a domed ceiling; 2 an optical device for projecting images of celestial bodies
Our class took a field trip to the planetarium to look at the stars.
Our class took a field trip to the planetarium to look at the stars.
Hear it
5 syllables
plan-e-tar-i-um
barium
merriam
aquarium
herbarium
honorarium
VocabClass lessons are designed to engage students, improve motivation in learning the subject matter, and generate better results. Long-term retention is our focus and by making the learning process fun, our gamified approach has a positive impact on this goal.
View all games!
Try it! FREE!