to slope downwards
121fall — [c]/fɔl / (say fawl) verb (fell, fallen, falling) –verb (i) 1. to descend from a higher to a lower place or position through loss or lack of support; drop. 2. to come down suddenly from a standing or erect position: to fall on one s knees. 3. to… …
122Aircraft carrier — From bottom to top: Principe de Asturias, amphibious assault ship USS Wasp, USS Forrestal and light V/STOL carrier HMS Invincible, showing size differences of late 20th century carriers An aircraft …
123Alpha helix — A common motif in the secondary structure of proteins, the alpha helix (α helix) is a right handed coiled conformation, resembling a spring, in which every backbone N H group donates a hydrogen bond to the backbone C=O group of the amino acid… …
124Double bass — Contrabass redirects here. For other uses, see Contrabass (disambiguation). Not to be confused with Acoustic bass guitar. For the technique used in percussion, see Double bass drum. Double Bass Side and front views of a modern double bass with a… …
125Inertia — In common usage, however, people may also use the term inertia to refer to an object s amount of resistance to change in velocity (which is quantified by its mass), and sometimes its momentum, depending on context (e.g. this object has a lot of… …
126Vanilla — is a flavoring derived from orchids of the genus Vanilla native to Mexico. Etymologically, vanilla derives from the Spanish word es. vainilla , little pod . cite journal |url=http://www.efloras.org/florataxon.aspx?flora id=1 taxon id=134375… …
127Convection — This figure shows a calculation for thermal convection in the Earth s mantle. Colors closer to red are hot areas and colors closer to blue are cold areas. A hot, less dense lower boundary layer sends plumes of hot material upwards, and likewise,… …
128Suspension bridge — This article is concerned with a particular type of suspension bridge, the suspended deck type.:For an index to the several types see suspension bridge types.:For the Gladiators event, see Suspension Bridge (Gladiators). A suspension bridge is a… …
