triennial 音标拼音: [trɑɪ'ɛniəl]
a . 每三年一次的
n . 三年生植物,三年发生一次的事
每三年一次的三年生植物,三年发生一次的事
triennial adj 1 :
occurring every third year or lasting 3 years n 1 :
the 300th anniversary (
or the celebration of it ) [
synonym :
{
tercentennial }, {
tercentenary }, {
triennial }]
Triennial \
Tri *
en "
ni *
al \,
n .
Something which takes place or appears once in three years .
[
1913 Webster ]
Triennial \
Tri *
en "
ni *
al \,
a . [
L .
triennium the space of three years ;
tri - (
see {
Tri -})
annus year .
See {
Annual }.]
1 .
Continuing three years ;
as ,
triennial parliaments ;
a triennial reign . --
Howell .
[
1913 Webster ]
2 .
Happening ,
coming about ,
or appearing once in every three years ;
as ,
triennial elections ;
a triennial catalogue ;
a triennial visitation . --
T .
Warton .
[
1913 Webster ]
Cyclic \
Cyc "
lic \ (
s ?
k "
l ?
k or s ?"
kl ?
k ),
Cyclical \
Cyc "
lic *
al \
(
s ?
k "
l ?-
kal ),
a . [
Cf .
F .
cycluque ,
Gr .
kykliko `
s ,
fr .
ky `
klos See {
Cycle }.]
1 .
Of or pertaining to a cycle or circle ;
moving in cycles ;
as ,
cyclical time . --
Coleridge .
[
1913 Webster ]
2 . (
Chemistry )
Having atoms bonded to form a ring structure .
Opposite of {
acyclic }.
Note :
Used most commonly in respect to organic compounds .
Note : [
Narrower terms : {
bicyclic }; {
heterocyclic };
{
homocyclic ,
isocyclic }]
Syn :
closed -
chain ,
closed -
ring .
[
WordNet 1 .
5 ]
3 .
Recurring in cycles [
2 ];
having a pattern that repeats at approximately equal intervals ;
periodic .
Opposite of {
noncyclic }.
Note : [
Narrower terms : {
alternate (
prenominal ),
alternating (
prenominal )}; {
alternate (
prenominal ),
every other (
prenominal ),
every second (
prenominal )};
{
alternating (
prenominal ),
oscillating (
prenominal )};
{
biyearly }; {
circadian exhibiting 24 -
hour periodicity )}; {
circular }; {
daily ,
diurnal };
{
fortnightly ,
biweekly }; {
hourly }; {
midweek ,
midweekly }; {
seasonal }; {
semestral ,
semestrial };
{
semiannual ,
biannual ,
biyearly }; {
semiweekly ,
biweekly }; {
weekly }; {
annual ,
yearly }; {
biennial };
{
bimonthly ,
bimestrial }; {
half -
hourly }; {
half -
yearly };
{
monthly }; {
tertian ,
alternate (
prenominal )};
{
triennial }]
[
WordNet 1 .
5 ]
4 .
Marked by repeated cycles [
2 ].
[
WordNet 1 .
5 ]
{
Cyclic chorus },
the chorus which performed the songs and dances of the dithyrambic odes at Athens ,
dancing round the altar of Bacchus in a circle .
{
Cyclic poets },
certain epic poets who followed Homer ,
and wrote merely on the Trojan war and its heroes ; --
so called because keeping within the circle of a single subject .
Also ,
any series or coterie of poets writing on one subject . --
Milman .
[
1913 Webster ]
89 Moby Thesaurus words for "
triennial ":
amphibian ,
angiosperm ,
anniversary ,
annual ,
annual holiday ,
aquatic plant ,
biannual ,
bicentenary ,
bicentennial ,
biennial ,
bimonthly ,
birthday ,
bissextile day ,
biweekly ,
catamenial ,
centenary ,
centennial ,
commemoration ,
cosmopolite ,
cutting ,
daily ,
decennial ,
deciduous plant ,
diamond jubilee ,
dicot ,
dicotyledon ,
diurnal ,
ephemeral ,
evergreen ,
exotic ,
flowering plant ,
fortnightly ,
fungus ,
gametophyte ,
golden wedding anniversary ,
gymnosperm ,
hebdomadal ,
holy days ,
hourly ,
hydrophyte ,
immovable feast ,
jubilee ,
leap year ,
menstrual ,
momentary ,
momently ,
monocot ,
monocotyl ,
monthly ,
name day ,
natal day ,
octennial ,
perennial ,
plant ,
polycot ,
polycotyl ,
polycotyledon ,
quadrennial ,
quarterly ,
quasquicentennial ,
quincentenary ,
quincentennial ,
quinquennial ,
quotidian ,
secular ,
seed plant ,
seedling ,
semestral ,
semiannual ,
semimonthly ,
semiweekly ,
semiyearly ,
septennial ,
sesquicentennial ,
sextennial ,
silver wedding anniversary ,
spermatophyte ,
sporophyte ,
tercentenary ,
tercentennial ,
tertian ,
thallophyte ,
tricennial ,
vascular plant ,
vegetable ,
wedding anniversary ,
weed ,
weekly ,
yearly
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