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prehension

prehension

9.9
The action of taking hold of something with the hands or tentacles
  • noun
  • /prɪˈhɛnʃən/
  • Specialized
translation icon : aprehensión
  • Proper prehension of the object is essential for effective manipulation during the task.
  • tridigital prehension
  • prehension patterns
  • lateral prehension

Examples

  • With our proposed pattern of prehension, the thumb is now actively flexed about the carpometacarpal (CMP) and the interphalangeal (IP) joint.

    Academic text (1995)
  • The adjustment and positioning of each finger are functionally very important in order to achieve a more physiological prehension without any interference.

    Academic text (1995)
  • * It provides a stable grip with a lower prehension force.

    Academic text (1995)
  • Table 1 shows the values of these angles (14) for the prehension patterns considered in Figure 7.

    Academic text (1995)
  • Figure 7 shows a 3-D representation of the proposed prosthesis for the two preferred prehension patterns.

    Academic text (1995)
  • The only difference between these two prehension modes is the angle of inclination of the thumb (25 degrees or 59 degrees).

    Academic text (1995)
  • Accordingly, action at a distance and the reverse side of this—prehension at a distance—are occurring all the time.

    Academic text (1991)
  • But prehensions in the mode of presentational immediacy are among those prehensions that we enjoy with the most vivid consciousness.

    Academic text (1991)
  • One possible measure of the success of the shift to jaw prehension and chemical senses is that, in terms of extant species, scleroglossans outnumber iguanians 4.5 to 1.

    Academic text (2006)
  • The octopus used its tentacles for effective prehension of the shellfish.

Synonyms

ahold
vsprehension
  • Informal
141 8.2

A firm grip on something or a quick way to reach someone

is the general act of holding without implying suddenness
grasp
vsprehension
50 1.1

A tight hold with the hand or arm on something

is the general act and also extends to holding by tentacles
taking hold
vsprehension
3 4.1

A firm grip with the hands or arms that keeps something from moving

is broader, applying to gripping actions by hands and by tentacles
grasping
vsprehension
1 2.7

To hold something firmly with the hand or another body part

also applies to holding done by tentacles as well as hands
seizing
vsprehension
4.0

A tight hold on something using hands or arms

covers similar acts but also includes nonhand appendages like tentacles

How Firm

prehension
  • Specialized
9.9
grip
116 1.0
to hold
1.0
touch
360 1.0

Surface Forms

prehension singular
prehensions plural

Morphology

prehension = apprehend (semi-transparent) = prehend + ion

The noun is formed from the Latin combining stem 'prehend' + '-ion'; because 'prehend' is not a standalone modern English word, learners get only partial clues (related verbs like 'apprehend'/'comprehend' offer some help).

Etymology

The word prehension comes from the Latin root prehend meaning 'to seize' or 'to grasp', and you can see the same idea in comprehend, which means to 'grasp' an idea, and in apprehend, which means to 'seize' someone. So, prehension is the act of taking hold or grasping something, whether with the hand or with the mind.