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these
determiner
Used
before
a
plural
noun
to
talk
about
people
or
things
that
are
close
to
the
speaker
in
space
,
time
,
or
in
the
conversation
.
•
Could
you
help
me
carry
these
boxes
upstairs
?
Could
you
help
me
carry
these
boxes
upstairs
?
•
I
love
these
cookies
you
baked
.
I
love
these
cookies
you
baked
.
Old
English
thēos
,
plural
of
this
,
related
to
Old
Norse
þessar
and
German
diese
.
pronoun
Used
by
itself
to
refer
to
several
people
or
things
that
are
close
to
the
speaker
in
space
,
time
,
or
in
the
conversation
.
•
These
are
the
keys
you
were
looking
for
.
These
are
the
keys
you
were
looking
for
.
•
Take
a
look
at
these
—
aren't
they
beautiful
?
Take
a
look
at
these
—
aren't
they
beautiful
?
Old
English
thēos
,
plural
of
this
;
cognate
with
German
diese
and
Dutch
deze
.
hypothesis
noun
-
hypothesis
,
hypotheses
a
scientific
idea
or
explanation
that
you
can
test
through
study
and
experiment
to
see
if
it
is
true
•
The
students
gathered
data
to
test
their
hypothesis
about
how
sunlight
affects
plant
growth
.
The
students
gathered
data
to
test
their
hypothesis
about
how
sunlight
affects
plant
growth
.
•
Einstein
’
s
photoelectric
hypothesis
changed
the
course
of
modern
physics
.
Einstein
’
s
photoelectric
hypothesis
changed
the
course
of
modern
physics
.
From
Ancient
Greek
“
hypóthesis
”
meaning
“
foundation
,
supposition
,”
composed
of
“
hypo-
” (
under
)
and
“
thesis
” (
placing
,
proposition
).
noun
-
hypothesis
,
hypotheses
an
idea
you
accept
temporarily
so
you
can
discuss
or
examine
a
situation
even
though
it
is
not
yet
proven
•
As
a
working
hypothesis
,
let
’
s
assume
the
shipment
was
delayed
at
customs
.
As
a
working
hypothesis
,
let
’
s
assume
the
shipment
was
delayed
at
customs
.
•
My
hypothesis
is
that
she
missed
the
bus
rather
than
overslept
.
My
hypothesis
is
that
she
missed
the
bus
rather
than
overslept
.
Same
origin
as
the
scientific
sense
:
Ancient
Greek
roots
meaning
“
put
under
”
as
a
foundation
for
reasoning
.