triangular 音標拼音: [trɑɪ'æŋgjəlɚ]
a . 三角形的,三人間的
三角形的,三人間的
triangular adj 1 :
having three angles ;
forming or shaped like a triangle ;
"
a triangular figure "; "
a triangular pyrimid has a triangle for a base "
2 :
having three sides ; "
a trilateral figure " [
synonym : {
trilateral },
{
triangular }, {
three -
sided }]
Compasses \
Com "
pass *
es \,
n .,
pl .
An instrument for describing circles ,
measuring figures ,
etc .,
consisting of two ,
or (
rarely )
more ,
pointed branches ,
or legs ,
usually joined at the top by a rivet on which they move .
[
1913 Webster ]
Note :
The compasses for drawing circles have adjustable pen points ,
pencil points ,
etc .;
those used for measuring without adjustable points are generally called dividers .
See {
Dividers }.
[
1913 Webster ]
{
Bow compasses }.
See {
Bow -
compass }.
{
Caliber compasses }, {
Caliper compasses }.
See {
Calipers }.
{
Proportional }, {
Triangular },
etc ., {
compasses }.
See under {
Proportional },
etc .
[
1913 Webster ]
Triangular \
Tri *
an "
gu *
lar \,
a . [
L .
triangularis :
cf .
F .
triangulaire .]
1 .
Having three angles ;
having the form of a triangle .
[
1913 Webster ]
2 . (
Bot .)
Oblong or elongated ,
and having three lateral angles ;
as ,
a triangular seed ,
leaf ,
or stem .
[
1913 Webster ]
{
Triangular compasses },
compasses with three legs for taking off the angular points of a triangle ,
or any three points at the same time .
{
Triangular crab } (
Zool .),
any maioid crab ; --
so called because the carapace is usually triangular .
{
Triangular numbers } (
Math .),
the series of numbers formed by the successive sums of the terms of an arithmetical progression ,
of which the first term and the common difference are 1 .
See {
Figurate numbers },
under {
Figurate }.
[
1913 Webster ]
44 Moby Thesaurus words for "
triangular ":
cuneate ,
cuneated ,
cuneiform ,
deltoid ,
fan -
shaped ,
oxygonal ,
three ,
three -
cornered ,
three -
dimensional ,
three -
footed ,
three -
in -
one ,
three -
pronged ,
three -
sided ,
triadic ,
trial ,
triangulate ,
triarch ,
trichotomous ,
tricorn ,
tricornered ,
tricuspid ,
trident ,
tridental ,
trifid ,
triflorate ,
triflorous ,
trifurcate ,
trigonal ,
trigonoid ,
trigrammatic ,
trihedral ,
trilateral ,
trimerous ,
trinal ,
trine ,
triparted ,
tripartite ,
triple ,
triplex ,
tripodic ,
triquetral ,
triquetrous ,
trisected ,
triune
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