pass-, pace-

(Latin: step, stepping)

1. At a good or fast pace; swiftly; quickly.
2. With rapid movements.
3. Etymology: derived from Old English, an, "on"; a-, "on" + pace, "a step", from Old French pas, from Latin passus, "a step"; literally, the past participle of pandere, "to stretch (the leg), to spread out"; also related to Greek, petalon, "a leaf".
A device for determining direction by celestial observation.
1. A device used to determine geographic direction; usually, consisting of a magnetic needle or needles horizontally mounted or suspended and free to pivot until aligned with the earth's magnetic field.
2. Another device; such as, a radio compass or a gyrocompass, used for determining geographic directions.
3. The extent within limits; an area; a reach; a scope: "He is working within the compass of the current economic situation; so, it is not possible to increase spending for such a project."
4. A hinged instrument for drawing circles and arcs, with one leg ending in a point used as the pivot and the other ending in a pencil or pen that traces a curve as it is turned.
5. Etymology: "space, area, extent, circumference"; from Old French compas, "circle, radius, pair of compasses"; from compasser, "to go around, to measure, to divide equally"; from Vulgar Latin compassare, "to pace out"; from Latin com-, "together" + passus, "a step".
electronic pacemaker, pacemaker
An electrical appliance, usually with electrodes planted in the myocardium (heart muscle), which performs the pacing functions in a diseased heart that is no longer capable of pacing itself.

Electronic pacemakers can receive power from implanted batteries, radio frequency signals, biological energy sources, etc.

gyrocompass; gyrostatic compass
1. A compass that contains a gyroscope which is kept level so that it orients itself with "true north".
2. A north-seeking form of gyroscope used as a directional reference in navigation.
3. A navigational compass containing a gyroscope rotor, that, when adjusted for the latitude and speed of the vessel or aircraft, indicates the direction of true north along the surface of the earth or communicates this information to one or more gyro repeaters.
impassable (adjective)
impassable, impassible, impossible
impassable (im PAS uh buhl) (adjective)
Pertaining to something which is unable to be traveled or overcome: The severe snowstorm made the roads in the mountains impassable.
impassible (im PAS i buhl) (adjective)
Characterized as being incapable of feelings; immune to pain or suffering: Tamika's face was a masque, impassible to the suffering around her.
impossible (im PAHS i buhl) (adjective)
Unacceptable, awkward, incapable of happening: Up to 1969, it was believed that it was impossible to fly to the moon.

It was impossible to read Eric's impassible expression at the news of the efforts of his friends to cross the impassable mountain pass during the winter.

impasse (s) (noun), impasses (pl)
1. A condition in which neither progress nor advancement is possible: The mountain road was very narrow where the two cars met and this impasse posed a definite problem for the drivers because they couldn't pass each other!
2. A road with only one way in; a dead-end street; a blind alley: The Smith family lived in an impasse, and they had to turn their car around and go out in the same manner as they came in!
A road or street which has no outlet.
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An impassible way to go.
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A predicament with no solutions.
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A predicament with no solutions.
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Go to this Word A Day Revisited Index
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1. Incapable of suffering.
2. Inaccessible to harm or pain.
3. Not to be touched or moved to passion or sympathy.
4. Unfeeling, or not showing feeling.
5. Without sensation.
6. Not susceptible to or not capable of feeling physical pain or injury.
1. Exemption from pain or suffering.
2. Not subject to injury from external things.