Lab Signs @ PNNL

Sign Videos: A-D

Click below to jump to the video demo of each sign.

How to sign "absorbance"

Definition: a measure of the capacity of a substance to absorb light of a specified wavelength.
The sign represents light being absorbed, followed by the spectrum that is measured.

Can't see the embedded video above? View the How to sign "absorbance" video on YouTube.

How to sign "acoustic"

Definition of acoustic: relating to sound

Can't see the embedded video above? View the How to sign "acoustic" video on YouTube.

How to sign "adult salmon"

Definition of adult salmon: adult stage of the life cycle of salmon.

Can't see the embedded video above? View the How to sign "adult salmon" video on YouTube.

How to sign "alevin" (salmon life cycle)

Definition of alevin (salmon life cycle): newly spawned salmon; early stages of the life cycle. The first part of the sign represents a "life stage", as the salmon grows in length. The second part is finger-spelled.

Can't see the embedded video above? View the How to sign "alevin" or "salmon life cycle" video on YouTube.

How to sign: "aliquot"

Definition: a subsample from a larger sample.
This sign represents a liquid sample being pipetted from one container to another.

Can't see the embedded video above? View the How to sign "aliquot" video on YouTube.

How to sign: "anoxia"

Definition: depletion of oxygen in a system.
The sign represents oxygen being removed.

Can't see the embedded video above? View the How to sign "anoxia" video on YouTube.

How to sign: "autoclave" (noun)

Definition: a machine that is used to autoclave material.

Can't see the embedded video above? View the How to sign "autoclave" (noun) video on YouTube.

How to sign: "autoclave" (verb)

Definition: heat at high temperature and pressure.
The sign represents the action of "scrubbing" something to sterilize it, more intense than simple heat killing.

Can't see the embedded video above? View the How to sign "autoclave" (verb) video on YouTube.

How to sign: "bacteria"

Can't see the embedded video above? View the How to sign "bacteria" video on YouTube.

How to sign: "biogeochemistry"

Can't see the embedded video above? View the How to sign "biogeochemistry" video on YouTube.

How to sign: "biology"

Can't see the embedded video above? View the How to sign "biology" video on YouTube.

How to sign: "blank"

Can't see the embedded video above? View the How to sign "blank" video on YouTube.

How to sign: "bulk density"

Definition: mass of soil sample per unit bulk volume (soil particles + pore spaces).
This builds on the sign for "density".

Can't see the embedded video above? View the How to sign "bulk density" video on YouTube.

How to sign: "calibration"

The sign represents a linear calibration curve

Can't see the embedded video above? View the How to sign "calibration" video on YouTube.

How to sign: "cell"

Definition: smallest unit of life; mass of cytoplasm bounded within cell membrane.

Can't see the embedded video above? View the How to sign "cell" video on YouTube.

How to sign: "centrifuge"

Can't see the embedded video above? View the How to sign "centrifuge" video on YouTube.

How to sign: "chemistry"

Can't see the embedded video above? View the How to sign "chemistry" video on YouTube.

How to sign: "coding"

The sign represents angle brackets commonly used in HTML and other coding languages.

Can't see the embedded video above? View the How to sign "coding" video on YouTube.

How to sign: "concentration"

Can't see the embedded video above? View the How to sign "concentration" video on YouTube.

How to sign: "dam" (version 1)

Definition of "dam": barrier constructed to hold back water

Can't see the embedded video above? View the How to sign "dam" (version 1) video on YouTube.

How to sign: "dam" (version 2)

Definition of "dam": barrier constructed to hold back water

Can't see the embedded video above? View the How to sign "dam" (version 2) video on YouTube.

How to sign: "data"

Can't see the embedded video above? View the How to sign "data" video on YouTube.

How to sign: "density"

Can't see the embedded video above? View the How to sign "density" video on YouTube.

How to sign: "dilution"

The sign is similar to "reduce"

Can't see the embedded video above? View the How to sign "dilution" video on YouTube.

How to sign: "DNA"

Can't see the embedded video above? View the How to sign "DNA" video on YouTube.

How to sign: "downstream"

Definition of "downstream": in the direction of the flowing river

Can't see the embedded video above? View the How to sign "downstream" video on YouTube.