bicyclic
二环的
二环的
bicyclic adj 1 :
having molecules consisting of two fused rings 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 ]
Bicyclic \
Bi *
cyc "
lic \,
a .
Relating to bicycles .
[
1913 Webster ]
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