Found 2 items, similar to Right ascension.
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Definition: right ascension
n 1: (astronomy) the angular distance eastward along the
celestial equator from the vernal equinox to the
intersection of the hour circle that passes through the
body; expressed in hours and minutes and second; used
with declination to specify positions on the celestial
sphere; “one hour of right ascension equals fifteen
, celestial longitude
2: an arc of the celestial equator eastward from the vernal
English → English
Definition: Right ascension
(r[imac]t), a. [OE. right, riht, AS. riht; akin to
D. regt, OS. & OHG. reht, G. recht, Dan. ret, Sw. r["a]tt,
Icel. r["e]ttr, Goth. ra['i]hts, L. rectus, p. p. of regere
to guide, rule; cf. Skr. [.r]ju straight, right. [root]115.
1. Straight; direct; not crooked; as, a right line. “Right
as any line.”
2. Upright; erect from a base; having an upright axis; not
oblique; as, right ascension; a right pyramid or cone.
3. Conformed to the constitution of man and the will of God,
or to justice and equity; not deviating from the true and
just; according with truth and duty; just; true.
That which is conformable to the Supreme Rule is
absolutely right, and is called right simply without
relation to a special end. --Whately.
2. Fit; suitable; proper; correct; becoming; as, the right
man in the right place; the right way from London to
5. Characterized by reality or genuineness; real; actual; not
spurious. “His right wife.”
In this battle, . . . the Britons never more plainly
manifested themselves to be right barbarians.
6. According with truth; passing a true judgment; conforming
to fact or intent; not mistaken or wrong; not erroneous;
correct; as, this is the right faith.
You are right, Justice, and you weigh this well.
If there be no prospect beyond the grave, the
inference is . . . right, “Let us eat and drink,
for to-morrow we die.”
7. Most favorable or convenient; fortunate.
The lady has been disappointed on the right side.
8. Of or pertaining to that side of the body in man on which
the muscular action is usually stronger than on the other
side; -- opposed to left when used in reference to a part
of the body; as, the right side, hand, arm. Also applied
to the corresponding side of the lower animals.
Became the sovereign's favorite, his right hand.
Note: In designating the banks of a river, right and left are
used always with reference to the position of one who
is facing in the direction of the current's flow.
9. Well placed, disposed, or adjusted; orderly; well
regulated; correctly done.
10. Designed to be placed or worn outward; as, the right side
of a piece of cloth.
At right angles
, so as to form a right angle or right
angles, as when one line crosses another perpendicularly.
Right and left
, in both or all directions. [Colloq.]
Right and left coupling
(Pipe fitting), a coupling the
opposite ends of which are tapped for a right-handed screw
and a left-handed screw, respectivelly.
(a) The angle formed by one line meeting another
perpendicularly, as the angles ABD, DBC.
(b) (Spherics) A spherical angle included between the
axes of two great circles whose planes are
perpendicular to each other.
. See under Ascension
(Politics), those members belonging to the
Center in a legislative assembly who have sympathies with
the Right on political questions. See Center
, n., 5.
, Right cylinder
, Right prism
, Right pyramid
(Geom.), a cone, cylinder, prism, or pyramid, the
axis of which is perpendicular to the base.
. See under Line
(Naut.), sailing on one of the four cardinal
points, so as to alter a ship's latitude or its longitude,
but not both. --Ham. Nav. Encyc.
(Astron. & Geol.), a sphere in such a position
that the equator cuts the horizon at right angles; in
spherical projections, that position of the sphere in
which the primitive plane coincides with the plane of the
Note: Right is used elliptically for it is right, what you
say is right, true.
cries his lordship. --Pope.
Syn: Straight; direct; perpendicular; upright; lawful;
rightful; true; correct; just; equitable; proper;
, n. [F. ascension, L. ascensio, fr.
ascendere. See Ascend
1. The act of ascending; a rising; ascent.
2. Specifically: The visible ascent of our Savior on the
fortieth day after his resurrection. (--Acts i. 9.) Also,
3. An ascending or arising, as in distillation; also that
which arises, as from distillation.
Vaporous ascensions from the stomach. --Sir T.
, the Thursday but one before Whitsuntide, the
day on which commemorated our Savior's ascension into
heaven after his resurrection; -- called also Holy Thursday
(Astron.), that degree of the equinoctial,
counted from the beginning of Aries, which rises with a
star, or other celestial body, in a right sphere; or the
arc of the equator intercepted between the first point of
Aries and that point of the equator that comes to the
meridian with the star; -- expressed either in degrees or
(Astron.), an arc of the equator,
intercepted between the first point of Aries and that
point of the equator which rises together with a star, in
an oblique sphere; or the arc of the equator intercepted
between the first point of Aries and that point of the
equator that comes to the horizon with a star. It is
little used in modern astronomy.