What's the difference between pedal and petal?

Pedal


Definition:

  • (a.) Of or pertaining to the foot, or to feet, literally or figuratively; specifically (Zool.), pertaining to the foot of a mollusk; as, the pedal ganglion.
  • (a.) Of or pertaining to a pedal; having pedals.
  • (a.) A lever or key acted on by the foot, as in the pianoforte to raise the dampers, or in the organ to open and close certain pipes; a treadle, as in a lathe or a bicycle.
  • (a.) A pedal curve or surface.

Example Sentences:

  • (1) Twenty volunteers were used for the measurement of pedal pressures for 15 trials during three separate sessions.
  • (2) There is Ed Sheeran , with a guitar and loop pedal, and Chris Martin leaping around the stage with the rest of Coldplay providing a dourer backdrop.
  • (3) A crank arm length of 170 mm and pedalling rate of 100 rpm correspond closely to the cost function minimum.
  • (4) The authors suggest that pedal varix may be a more common occurrence than previously documented.
  • (5) The alpha- and beta-endorphin antisera produced a positive immunoreaction in some gastric epithelial cells, in some perikarya of the pedal ganglia, and in some nervous fibers.
  • (6) Advancing to the edge of the Ireland penalty area, he tries to pick out Thierry Henry, but his pass is wayward and a panic-stricken, back-pedalling Ireland defence clears.
  • (7) Pedal radiographs can provide significant information in formulating an opinion.
  • (8) Collection of EMGs of soleus, lateral gastrocnemius, vastus medialis and rectus femoris lasted for 200 msec after stimulation, which was triggered when the pedal was 56 degrees beyond top-dead-center.
  • (9) Analysis of the activity of each unit was made at intervals from the beginning of the conditioned signal (light or sound) to the beginning of lapping milk which appeared in the feeding trough after the cat pressed the pedal.
  • (10) At 1, 2.5, 5, and 10 minutes after injection, the presence or absence of the laryngoscopic reflex, pedal reflex, and jaw tone were recorded.
  • (11) This occurs between the joint moments necessary to contribute to joint power and the moments necessary to establish a direction of the force on the pedal which allows this force to do work on the pedal.
  • (12) One unique insight gained via this new method is the functional role that individual leg muscles play in the pedalling process.
  • (13) Co-activation of mono-articular agonists and their bi-articular antagonists appear to provide a unique solution for these conflicting requirements: bi-articular muscles appear to be able to control the desired direction of the external force on the pedal by adjusting the relative distribution of net moments over the joints while mono-articular muscles appear to be primarily activated when they are in the position to shorten and thus to contribute to positive work.
  • (14) Visiting an exercise class, Mr Blair, without changing out of his suit, spent some minutes pedalling on an exercise bike for the benefit of cameramen.
  • (15) Direct arterial pressures were measured via cannulation of the dorsal pedal artery and were correlated with indirect measurements through an inflatable cuff placed over the dorsal pedal artery below the hock joint of the contralateral limb.
  • (16) Nothing in this context can be soft-pedalled and excused.
  • (17) There is, however, little available literature concerning pedal digital fractures.
  • (18) The method consists of simultaneously measuring both the normal and tangential pedal forces, the EMGs of eight leg muscles, and the crank arm and pedal angles.
  • (19) Intracellular stimulation of individual neurons in the symmetrical B neuron clusters of the cerebral ganglion also evoked pedal and parapodial contractions.
  • (20) SIS SVB was performed to a variety of vessel combinations using "Y" graft, continuous, or vein extension techniques achieving early patency in all limbs, despite pedal arch disease.

Petal


Definition:

  • (n.) One of the leaves of the corolla, or the colored leaves of a flower. See Corolla, and Illust. of Flower.
  • (n.) One of the expanded ambulacra which form a rosette on the black of certain Echini.

Example Sentences:

  • (1) Primin itself was obtained from Primula elatior and from the petals (corollas) of Primula obconica.
  • (2) Osmotic gradient across the membrane of nonsonicated liposomes and rose petal protoplasts are shown to induce swelling.
  • (3) The prosthesis is fixed by the interaction of magnetic pondermotive forces between two soft petals of a magnetoelastomer.
  • (4) In agamous-1, stamens to petals; in apetala2-1, sepals to leaves and petals to staminoid petals; in apetala3-1, petals to sepals and stamens to carpels; in pistillata-1, petals to sepals.
  • (5) They gradually displayed active membrane pseudopodia, thorn-like processes and petal-like ruffles after 2 h to 4 h of cultivation.
  • (6) The method was used to analyze the free amino acid pool in carnation petals.
  • (7) The highest glucosyltransferase activity was found in petals of opening flowers of young plants.
  • (8) When a variety of shotguns were tested, it was found that one weapon with a very short barrel and cylinder bore did not exhibit petal spread until a range of 30 cm was reached.
  • (9) Two petal mRNA classes were identified that are present at elevated levels relative to other organs.
  • (10) This study explores the extent of mild to significant malnutrition in the squatter settlement of Kampung Baiduri located adjacent to an industrial area in Petaling Jaya.
  • (11) 3R-[2-(14)C]Mevalonate was incorporated into geranyl and neryl beta-d-glucosides in petals of Rosa dilecta in up to 10.6% yield, and the terpenoid part was specifically and equivalently labelled in the moieties derived from isopentenyl pyrophosphate and 3,3-dimethylallyl pyrophosphate.
  • (12) In the case of the Kalanchoe rhythm, mainly the process of the petal opening is affected.
  • (13) In the electron microscope these complexes appear as a rosette of petals.
  • (14) Shotcup petal abrasions centered around a shotgun wound of entrance are generally thought to occur at a range of 30 to 90 cm.
  • (15) Yuri's gaze turns back to the sky, peppered now with dry fallen leaves (a premonition, perhaps, of the petals cast before the viceroy in A Passage to India).
  • (16) Each molecule appeared to be composed of two kinds of particles, with one larger central particle and smaller peripheral particles and had shapes resembling that of a flower with 8 or 10 "petals".
  • (17) But I hear it constantly from some of the precious petals, can I say, some of the precious petals in the science fraternity, and if you can’t guess, I won’t accept it.” Australia had a dedicated science portfolio in cabinet since the 1930s until Abbott’s decision to fold the role into Macfarlane’s purview.
  • (18) In the families of flowering plants in which these organs occur, they are patterned with the sepals in the outermost whorl or whorls of the flower, with the petals next closest to the center, the stamens even closer to the center, and the carpels central.
  • (19) The programmed senescence of carnation (Dianthus caryophyllus L.) petals requires active gene expression and is associated with the expression of several senescence-related mRNAs.
  • (20) In petunia, the gene Po regulates the expression of CHI in anthers: PoPo petunia lines contain CHI enzyme activity in petals and anthers, whereas popo lines contain the CHI enzyme only in petals but not in anthers.