What's the difference between pear and pearmain?

Pear

Definition:

(n.) The fleshy pome, or fruit, of a rosaceous tree (Pyrus communis), cultivated in many varieties in temperate climates; also, the tree which bears this fruit. See Pear family, below.

Example Sentences:

(1) These receptors were subdivided by their morphology in the next groups: pear-shaped receptors with capsule; capsuled spherical receptors located near vascular walls; ovoidal receptors with capsule and glomerular structure; simple or complex mace-shaped receptors without capsule.
(2) This protein was not present in extracts from pears or apples.
(3) The pearly skin of these subjects becomes more translucent and the detail extra-perfect.
(4) Other designs included short ruffle cocktail dresses with velvet parkas slung over the shoulder; blazers made of stringed pearly pink; and gold beading and a lace catsuit.
(5) The aim was to create an infinite number of ways in which the story could be read – though Pears emphasised that Arcadia was not an interactive novel.
(6) Computer taxonomic studies using the nucleotide and inferred amino acid sequence of the MOMP of C. pneumoniae IOL-207 and all known chlamydial MOMP sequences supported the designation of C. pneumoniae as a new species, but electron microscope studies suggested that the presence of pear-shaped elementary bodies (EBs) may not be a reliable taxonomic criterion.
(7) On admission, she had an asymmetrical pear-shaped tumor in the right supraclavicular region and severe hypercalcemia.
(8) Adsorption with extracts from apples and pears had no such effect.
(9) Boiling of spinach, pears, grapes, tomatoes, and wheat, treated with different EBDCs, resulted in 3-30% conversion to ETU.
(10) The stenosis appeared to be caused by a specific change in the pattern of growth leading up to an anterior narrowing ('pear'-like) of the cricoid ring and a conspicuous thickening of the subepithelial layer.
(11) The "startle response" ap peared earlier in the experimental ani mals, as did the development and re sponse of the electroencephalogram to novel stimuli.
(12) At least six different cell types are recognizable: (1) nondifferentiated duct cells; (2) cells containing apical secretory granules; (3) goblet cells; the mucosubstances of type 2 and 3 are PAS- and Alcian-blue-positive, also reacting wih methenamine silver; (4) ciliated cells, containing a single cilium with the microtubular pattern 9+2; (5) tuft cells with extremely long and wide microvilli and a pear-shaped cell body; (6) migrating cells, mainly lymphocytes and some assumed eosinophils, showing reaction to Mg++-activated ATPase.
(13) I was a dancing Fury; I'm told that Peter Pears came but I never saw him."
(14) Such a pear-like geometrical figure is, in fact, formed spontaneously by DNA collapsed under certain conditions in vitro (Eickbush & Moudrianakis, 1978).
(15) The character George Bowling bites into a frankfurter he has bought in an milk bar decorated in chrome and mirrors: "The thing burst in my mouth like a rotten pear.
(16) They were amacrine cells with a pear-shaped soma and dendrites distributed in 3 sublayers within the inner plexiform layer.
(17) We are talking about apples and pears when we compare the two.
(18) Children's author Allan Ahlberg, the mind behind much-loved titles Peepo and Each Peach Pear Plum, has turned down a lifetime achievement award because it is sponsored by Amazon and the idea that his success "should have the Amazon tag attached to it is unacceptable".
(19) These axon endings are supposed to belong to afferent climbing fibers of cerebellum stimulating differentiation of pear-shaped neurons, localization of these fibers causing a certain succession in the development of perisomatic processes.
(20) The trichorhinopharyngeal (TRP) syndrome type I (Giedion, 1966) is characterized clinically by craniofacial dysmorphism with sparse hair, pear-shaped nose and long philtrum, and abnormalities of the extremities (disabling deformities of the hands and feet).