pith

IPA: pˈɪθ

(botany)
The soft, spongy substance inside plant parts; specifically, the parenchyma in the centre of the roots and stems of many plants and trees.
The albedo (“whitish inner portion of the rind”) of a citrus fruit.
(by extension)
Senses relating to humans and animals.
The soft tissue inside a human or animal body or one of their organs; specifically, the spongy interior substance of a horn or the shaft of a feather.
Chiefly of animals: the soft tissue inside a spinal cord; the spinal marrow; also, the spinal cord itself.
(obsolete) Synonym of diploe (“the thin layer of soft, spongy, or cancellate tissue between the bone plates which constitute the skull”)
(obsolete, rare) The soft tissue of the brain.
(Ireland, Southern England, West Country) The soft inner portion of a loaf of bread.
(figurative)
The central or innermost part of something; the core, the heart.
The essential or vital part of something; the essence.
Physical power or strength; force, might.
A quality of courage and endurance; backbone, mettle, spine.
The energy, force, or power of speech or writing; specifically, such force or power due to conciseness; punch, punchiness.
Chiefly in of (great) pith and moment: gravity, importance, substance, weight.
(mathematics) One divided by pi, that is, 1/π (approximately 0.31831…).

To render insensate or kill (an animal, especially cattle or a laboratory animal) by cutting, piercing, or otherwise destroying the spinal cord.
To extract the pith from (something or (figurative) someone).

Examples of "pith" in Sentences

The pith is spongy and holds the water.
What is the function of pith in plants
Inside the stem is the pith of the plant.
The pith of the twigs contains air spaces.
Now scoop the pith from the shells as much as you can.
The pith of young shoots was eaten both cooked and raw.
The pith of the cactus can be as wide as 20 centimeters.
The larvae tunnel in the pith where they feed and pupate.
The strips from the pith portion are used as binding materials.
The pith is used in the U.S. to soothe eye inflammation and ease catarrh.
A new development in the industry is the use of coir pith as a deep litter.
In article 8, neither the word pith, nor any expression alluding to it, occurs.
In Vajrayana Buddhism, such words are called pith instructions or heart wisdom.
When peeling an orange, make sure to remove all the white membrane, called the pith.
Not a lot of guys in pith helmets learning much more local dialogue than “tea, white” and “boots, polish”.
2. How to make zest: Zesting a lemon is getting the colored outer layer of the peel off, without taking the white part with it, which is called the pith.
With a sharp knife, remove as much white pith from the lemon peels as is possible; the edge of a teaspoon works well to remove pith from a lemon’s top or bottom end.
Water is poured on the mass of pith, which is kneaded and pressed against the strainer till the starch is all dissolved and has passed through, when the fibrous refuse is thrown away, and a fresh basketful put in its place.