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lineage
noun
the
line
of
ancestors
from
which
a
person
,
animal
,
or
plant
has
descended
;
ancestry
or
pedigree
.
•
His
family's
noble
lineage
was
a
source
of
great
pride
.
His
family's
noble
lineage
was
a
source
of
great
pride
.
•
She
spent
years
researching
her
Irish
lineage
.
She
spent
years
researching
her
Irish
lineage
.
From
Middle
English
*lineage*
,
*lignage*
,
from
Old
French
*lignage*
(
'lineage'
),
from
Latin
*līneāticum*
,
from
*līnea*
(
'line'
).
noun
a
series
of
biological
types
,
each
descended
from
the
previous
type
.
•
Scientists
studied
the
evolutionary
lineage
of
whales
.
Scientists
studied
the
evolutionary
lineage
of
whales
.
•
This
fossil
represents
a
key
point
in
the
bird
lineage
.
This
fossil
represents
a
key
point
in
the
bird
lineage
.
From
Middle
English
*lineage*
,
*lignage*
,
from
Old
French
*lignage*
(
'lineage'
),
from
Latin
*līneāticum*
,
from
*līnea*
(
'line'
).
linear
adjective
-
linearize
,
linearizing
,
linearizes
,
linearized
arranged
in
,
extending
along
,
or
relating
to
a
straight
line
.
•
The
soldiers
marched
in
a
perfectly
linear
formation
across
the
field
.
The
soldiers
marched
in
a
perfectly
linear
formation
across
the
field
.
•
She
planted
the
flowers
in
a
linear
row
along
the
garden
path
.
She
planted
the
flowers
in
a
linear
row
along
the
garden
path
.
From
Middle
French
linéaire
,
from
Latin
līneāris
,
from
līnea
(
'line'
),
ultimately
from
līnum
(
'flax
,
linen
thread'
),
since
linen
threads
are
straight
and
linear
.
adjective
-
linearize
,
linearizing
,
linearizes
,
linearized
in
mathematics
,
of
or
relating
to
the
first
degree
or
power
,
or
denoting
a
process
or
function
in
which
any
recurrence
is
proportional
to
the
immediately
preceding
value
.
•
A
linear
equation
is
one
where
the
unknown
appears
only
to
the
first
power
.
A
linear
equation
is
one
where
the
unknown
appears
only
to
the
first
power
.
•
The
graph
of
a
linear
function
is
a
straight
line
.
The
graph
of
a
linear
function
is
a
straight
line
.
adjective
-
linearize
,
linearizing
,
linearizes
,
linearized
developing
or
arranged
in
a
successive
or
step-by-step
order
;
sequential
.
•
She
prefers
a
linear
approach
to
problem-solving
,
tackling
one
step
at
a
time
.
She
prefers
a
linear
approach
to
problem-solving
,
tackling
one
step
at
a
time
.
•
The
story
follows
a
linear
narrative
without
flashbacks
.
The
story
follows
a
linear
narrative
without
flashbacks
.