Vocabulary
Common words first. Switch to Full dictionary for the complete list. Tap a word for details.
Full dictionary · 182,952 · 42561–42600
Edo-period office in charge of compiling the traditional calendar, astronomical measurements, surveying, translating Western books, etc.
Chinese "root" constellation (one of the 28 mansions)
Chinese "ghost" constellation (one of the 28 mansions)
transit (of a planet) over the Sun
transit (of a planet) over the Sun
planetary science
eyepiece; ocular lens
eyepiece; ocular lens
primary mirror (of a telescope); main mirror
light reduction; dimming of a light
neutral-density filter
neutral-density filter; ND filter
optical illusion
artificial object; man-made object
active optics (telescope)
adaptive optics (esp. in a telescope)
asterism (pattern of stars which do not form a constellation)
asterism; pattern of stars which do not form a constellation
Hokuto
Cepheid variable
torquetum
study of the calendar; way of the calendar
study of calculation (ritsuryō period); the way of calculation
cuttlefish; squid
cargo sling
baby sling
Base64; binary data/text data encoding conversion defined by MIME
Trollius riederianus var. japonicus (Japanese variety of the Kamchatka globeflower, Trollius riederianus)
country that has been a victim of nuclear bombing
incorrect answer; wrong solution; incorrect interpretation
loser; the defeated
thinker
another school; other schools
rock star
Trollius hondoensis (species of globeflower)
private traditional calendar published illegally (Edo period)
scary story; horror story
ghost story; spooky story
bedding; bed
seaweed; sea vegetable