- An
envelope is a
common packaging item,
usually made of thin, flat material. It is
designed to
contain a flat object, such as a
letter or card. Traditional...
- In
sound and music, an
envelope describes how a
sound changes over time. For example, a
piano key, when
struck and held,
creates a near-immediate initial...
- A red
envelope, red packet,
hongbao or ang pau (traditional Chinese: 紅包;
simplified Chinese: 红包; pinyin: hóngbāo; Pe̍h-ōe-jī: âng-pau) is a gift of money...
- The
nuclear envelope, also
known as the
nuclear membrane, is made up of two
lipid bilayer membranes that in
eukaryotic cells surround the nucleus, which...
- In
physics and engineering, the
envelope of an
oscillating signal is a
smooth curve outlining its extremes. The
envelope thus
generalizes the
concept of...
- An
envelope detector (sometimes
called a peak detector) is an
electronic circuit that
takes a (relatively) high-frequency
signal as
input and
outputs the...
- The
envelope system, also
known as the
envelope budgeting method or cash stuffing, is a po****r
personal budgeting method for
visualizing and maintaining...
- In geometry, an
envelope of a
planar family of
curves is a
curve that is
tangent to each
member of the
family at some point, and
these points of tangency...
- Look up
envelope in Wiktionary, the free dictionary. An
envelope is the
paper container used to hold a
letter being sent by post.
Envelope may also refer...
-
between host cells. Not all
viruses have
envelopes. A
viral envelope protein or E
protein is a
protein in the
envelope,
which may be
acquired by the capsid...